70318525 has 24 divisors (see below), whose sum is σ = 92270880. Its totient is φ = 53012160.

The previous prime is 70318519. The next prime is 70318529. The reversal of 70318525 is 52581307.

It is not a de Polignac number, because 70318525 - 2³ = 70318517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70318529) 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, 150342 + ... + 150808.

It is an arithmetic number, because the mean of its divisors is an integer number (3844620).

Almost surely, 2^70318525 is an apocalyptic number.

It is an amenable number.

70318525 is a deficient number, since it is larger than the sum of its proper divisors (21952355).

70318525 is a wasteful number, since it uses less digits than its factorization.

70318525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 70318525 is about 8385.6141695167. The cubic root of 70318525 is about 412.7526948783.

The spelling of 70318525 in words is "seventy million, three hundred eighteen thousand, five hundred twenty-five".