70258525 has 6 divisors (see below), whose sum is σ = 87120602. Its totient is φ = 56206800.

The previous prime is 70258511. The next prime is 70258553. The reversal of 70258525 is 52585207.

It can be written as a sum of positive squares in 3 ways, for example, as 6610041 + 63648484 = 2571^2 + 7978^2 .

It is not a de Polignac number, because 70258525 - 2¹³ = 70250333 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 5 ways as a sum of consecutive naturals, for example, 1405146 + ... + 1405195.

Almost surely, 2^70258525 is an apocalyptic number.

It is an amenable number.

70258525 is a deficient number, since it is larger than the sum of its proper divisors (16862077).

70258525 is a wasteful number, since it uses less digits than its factorization.

70258525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810351 (or 2810346 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 70258525 is about 8382.0358505556. The cubic root of 70258525 is about 412.6352663214.

The spelling of 70258525 in words is "seventy million, two hundred fifty-eight thousand, five hundred twenty-five".