61363925 has 18 divisors (see below), whose sum is σ = 88516098. Its totient is φ = 42077280.

The previous prime is 61363919. The next prime is 61363927. The reversal of 61363925 is 52936316.

It can be written as a sum of positive squares in 3 ways, for example, as 117649 + 61246276 = 343^2 + 7826^2 .

It is not a de Polignac number, because 61363925 - 2⁸ = 61363669 is a prime.

It is a super-3 number, since 3×61363925³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61363927) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23822 + ... + 26271.

It is an arithmetic number, because the mean of its divisors is an integer number (4917561).

Almost surely, 2^61363925 is an apocalyptic number.

It is an amenable number.

61363925 is a deficient number, since it is larger than the sum of its proper divisors (27152173).

61363925 is a wasteful number, since it uses less digits than its factorization.

61363925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50117 (or 50105 counting only the distinct ones).

The product of its digits is 29160, while the sum is 35.

The square root of 61363925 is about 7833.5129412033. The cubic root of 61363925 is about 394.4310025763.

The spelling of 61363925 in words is "sixty-one million, three hundred sixty-three thousand, nine hundred twenty-five".