42520232625 has 32 divisors (see below), whose sum is σ = 76196265600. Its totient is φ = 20933035200.

The previous prime is 42520232611. The next prime is 42520232633. The reversal of 42520232625 is 52623202524.

42520232625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42520232625 - 2¹² = 42520228529 is a prime.

It is a super-2 number, since 2×42520232625² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4356175 + ... + 4365924.

It is an arithmetic number, because the mean of its divisors is an integer number (2381133300).

Almost surely, 2^42520232625 is an apocalyptic number.

It is an amenable number.

42520232625 is a deficient number, since it is larger than the sum of its proper divisors (33676032975).

42520232625 is a wasteful number, since it uses less digits than its factorization.

42520232625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722130 (or 8722120 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 42520232625 in words is "forty-two billion, five hundred twenty million, two hundred thirty-two thousand, six hundred twenty-five".