513552465025 has 12 divisors (see below), whose sum is σ = 637542980352. Its totient is φ = 410365892240.

The previous prime is 513552465017. The next prime is 513552465031. The reversal of 513552465025 is 520564255315.

It is not a de Polignac number, because 513552465025 - 2³ = 513552465017 is a prime.

It is a super-2 number, since 2×513552465025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11879989 + ... + 11923138.

It is an arithmetic number, because the mean of its divisors is an integer number (53128581696).

Almost surely, 2^513552465025 is an apocalyptic number.

It is an amenable number.

513552465025 is a deficient number, since it is larger than the sum of its proper divisors (123990515327).

513552465025 is a wasteful number, since it uses less digits than its factorization.

513552465025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804000 (or 23803995 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 513552465025 in words is "five hundred thirteen billion, five hundred fifty-two million, four hundred sixty-five thousand, twenty-five".