625404664330245 has 112 divisors (see below), whose sum is σ = 1191568724170992. Its totient is φ = 313884868884480.

The previous prime is 625404664330213. The next prime is 625404664330249. The reversal of 625404664330245 is 542033466404526.

625404664330245 is a `hidden beast` number, since 6 + 2 + 5 + 4 + 0 + 4 + 6 + 64 + 330 + 245 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 192596344164 + 625212067986081 = 438858^2 + 25004241^2 .

It is not a de Polignac number, because 625404664330245 - 2⁵ = 625404664330213 is a prime.

It is a super-2 number, since 2×625404664330245² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 625404664330191 and 625404664330200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625404664330249) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 446253915 + ... + 447653175.

Almost surely, 2^{625404664330245} is an apocalyptic number.

It is an amenable number.

625404664330245 is a deficient number, since it is larger than the sum of its proper divisors (566164059840747).

625404664330245 is a wasteful number, since it uses less digits than its factorization.

625404664330245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406514 (or 1406499 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 54.

The spelling of 625404664330245 in words is "six hundred twenty-five trillion, four hundred four billion, six hundred sixty-four million, three hundred thirty thousand, two hundred forty-five".