320560633525 has 24 divisors (see below), whose sum is σ = 435877977024. Its totient is φ = 231927014400.

The previous prime is 320560633513. The next prime is 320560633537. The reversal of 320560633525 is 525336065023.

It is an interprime number because it is at equal distance from previous prime (320560633513) and next prime (320560633537).

It is not a de Polignac number, because 320560633525 - 2⁵ = 320560633493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2966809 + ... + 3072958.

It is an arithmetic number, because the mean of its divisors is an integer number (18161582376).

Almost surely, 2^320560633525 is an apocalyptic number.

It is an amenable number.

320560633525 is a deficient number, since it is larger than the sum of its proper divisors (115317343499).

320560633525 is a wasteful number, since it uses less digits than its factorization.

320560633525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039981 (or 6039976 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 320560633525 its reverse (525336065023), we get a palindrome (845896698548).

The spelling of 320560633525 in words is "three hundred twenty billion, five hundred sixty million, six hundred thirty-three thousand, five hundred twenty-five".