70425262531 has 4 divisors (see below), whose sum is σ = 75842590432. Its totient is φ = 65007934632.

The previous prime is 70425262519. The next prime is 70425262601. The reversal of 70425262531 is 13526252407.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70425262531 - 2⁵ = 70425262499 is a prime.

It is a super-2 number, since 2×70425262531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70425262331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708663931 + ... + 2708663956.

It is an arithmetic number, because the mean of its divisors is an integer number (18960647608).

Almost surely, 2^70425262531 is an apocalyptic number.

70425262531 is a deficient number, since it is larger than the sum of its proper divisors (5417327901).

70425262531 is a wasteful number, since it uses less digits than its factorization.

70425262531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417327900.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 70425262531 in words is "seventy billion, four hundred twenty-five million, two hundred sixty-two thousand, five hundred thirty-one".