70564031 has 2 divisors, whose sum is σ = 70564032. Its totient is φ = 70564030.

The previous prime is 70564009. The next prime is 70564049. The reversal of 70564031 is 13046507.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70564031 is a prime.

It is a super-2 number, since 2×70564031² = 9958564941937922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70564001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35282015 + 35282016.

It is an arithmetic number, because the mean of its divisors is an integer number (35282016).

Almost surely, 2^70564031 is an apocalyptic number.

70564031 is a deficient number, since it is larger than the sum of its proper divisors (1).

70564031 is an equidigital number, since it uses as much as digits as its factorization.

70564031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 70564031 is about 8400.2399370494. The cubic root of 70564031 is about 413.2324905018.

The spelling of 70564031 in words is "seventy million, five hundred sixty-four thousand, thirty-one".