70250525 has 6 divisors (see below), whose sum is σ = 87110682. Its totient is φ = 56200400.

The previous prime is 70250491. The next prime is 70250539. The reversal of 70250525 is 52505207.

It can be written as a sum of positive squares in 3 ways, for example, as 1923769 + 68326756 = 1387^2 + 8266^2 .

It is not a de Polignac number, because 70250525 - 2⁸ = 70250269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70250494 and 70250503.

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, 1404986 + ... + 1405035.

It is an arithmetic number, because the mean of its divisors is an integer number (14518447).

Almost surely, 2^70250525 is an apocalyptic number.

It is an amenable number.

70250525 is a deficient number, since it is larger than the sum of its proper divisors (16860157).

70250525 is a wasteful number, since it uses less digits than its factorization.

70250525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810031 (or 2810026 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 70250525 is about 8381.5586259359. The cubic root of 70250525 is about 412.6196041299.

The spelling of 70250525 in words is "seventy million, two hundred fifty thousand, five hundred twenty-five".