513252340025 has 24 divisors (see below), whose sum is σ = 644403800160. Its totient is φ = 405471116160.

The previous prime is 513252340021. The next prime is 513252340043. The reversal of 513252340025 is 520043252315.

It is not a de Polignac number, because 513252340025 - 2² = 513252340021 is a prime.

It is a super-2 number, since 2×513252340025² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513252339973 and 513252340000.

It is not an unprimeable number, because it can be changed into a prime (513252340021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1604522 + ... + 1897628.

It is an arithmetic number, because the mean of its divisors is an integer number (26850158340).

Almost surely, 2^513252340025 is an apocalyptic number.

It is an amenable number.

513252340025 is a deficient number, since it is larger than the sum of its proper divisors (131151460135).

513252340025 is a wasteful number, since it uses less digits than its factorization.

513252340025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293993 (or 293988 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 513252340025 in words is "five hundred thirteen billion, two hundred fifty-two million, three hundred forty thousand, twenty-five".