7103961225 has 45 divisors (see below), whose sum is σ = 13166021253. Its totient is φ = 3786756480.

The previous prime is 7103961203. The next prime is 7103961229. The reversal of 7103961225 is 5221693017.

The square root of 7103961225 is 84285.

It is a perfect power (a square), and thus also a powerful number.

7103961225 is a `hidden beast` number, since 7 + 1 + 0 + 39 + 612 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3398073849 + 3705887376 = 58293^2 + 60876^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is a de Polignac number, because none of the positive numbers 2^k-7103961225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7103961225.

It is not an unprimeable number, because it can be changed into a prime (7103961229) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3791889 + ... + 3793761.

Almost surely, 2^7103961225 is an apocalyptic number.

7103961225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7103961225 is the 84285-th square number.

7103961225 is the 42143-rd centered octagonal number.

It is an amenable number.

7103961225 is a deficient number, since it is larger than the sum of its proper divisors (6062060028).

7103961225 is an frugal number, since it uses more digits than its factorization.

7103961225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The cubic root of 7103961225 is about 1922.3547159420.

Multiplying 7103961225 by its sum of digits (36), we get a square (255742604100 = 505710²).

The spelling of 7103961225 in words is "seven billion, one hundred three million, nine hundred sixty-one thousand, two hundred twenty-five".