70562131 has 4 divisors (see below), whose sum is σ = 71209600. Its totient is φ = 69914664.

The previous prime is 70562123. The next prime is 70562147. The reversal of 70562131 is 13126507.

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 70562131 - 2³ = 70562123 is a prime.

It is a super-2 number, since 2×70562131² = 9958028662522322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70562096 and 70562105.

It is not an unprimeable number, because it can be changed into a prime (70562731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323571 + ... + 323788.

It is an arithmetic number, because the mean of its divisors is an integer number (17802400).

Almost surely, 2^70562131 is an apocalyptic number.

70562131 is a deficient number, since it is larger than the sum of its proper divisors (647469).

70562131 is a wasteful number, since it uses less digits than its factorization.

70562131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647468.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 70562131 is about 8400.1268442804. The cubic root of 70562131 is about 413.2287815830.

Adding to 70562131 its reverse (13126507), we get a palindrome (83688638).

The spelling of 70562131 in words is "seventy million, five hundred sixty-two thousand, one hundred thirty-one".