70270525 has 12 divisors (see below), whose sum is σ = 93838612. Its totient is φ = 51891840.

The previous prime is 70270523. The next prime is 70270547. The reversal of 70270525 is 52507207.

It can be written as a sum of positive squares in 6 ways, for example, as 1397124 + 68873401 = 1182^2 + 8299^2 .

It is not a de Polignac number, because 70270525 - 2¹ = 70270523 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70270493 and 70270502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70270523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107784 + ... + 108433.

Almost surely, 2^70270525 is an apocalyptic number.

It is an amenable number.

70270525 is a deficient number, since it is larger than the sum of its proper divisors (23568087).

70270525 is a wasteful number, since it uses less digits than its factorization.

70270525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216240 (or 216235 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 70270525 is about 8382.7516365451. The cubic root of 70270525 is about 412.6587573797.

The spelling of 70270525 in words is "seventy million, two hundred seventy thousand, five hundred twenty-five".