6245225912025 has 27 divisors (see below), whose sum is σ = 11185960663839. Its totient is φ = 3330767160720.

The previous prime is 6245225912017. The next prime is 6245225912083. The reversal of 6245225912025 is 5202195225426.

The square root of 6245225912025 is 2499045.

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

6245225912025 is a `hidden beast` number, since 6 + 2 + 4 + 52 + 2 + 591 + 2 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2248281328329 + 3996944583696 = 1499427^2 + 1999236^2 .

It is not a de Polignac number, because 6245225912025 - 2³ = 6245225912017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37402374 + ... + 37568976.

Almost surely, 2^{6245225912025} is an apocalyptic number.

6245225912025 is the 2499045-th square number.

6245225912025 is the 1249523-rd centered octagonal number.

It is an amenable number.

6245225912025 is a deficient number, since it is larger than the sum of its proper divisors (4940734751814).

6245225912025 is an frugal number, since it uses more digits than its factorization.

6245225912025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333222 (or 166611 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 6245225912025 in words is "six trillion, two hundred forty-five billion, two hundred twenty-five million, nine hundred twelve thousand, twenty-five".