56070631 has 2 divisors, whose sum is σ = 56070632. Its totient is φ = 56070630.

The previous prime is 56070613. The next prime is 56070683. The reversal of 56070631 is 13607065.

Together with previous prime (56070613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56070631 - 2¹³ = 56062439 is a prime.

It is a super-2 number, since 2×56070631² = 6287831321476322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56070631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56070611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035315 + 28035316.

It is an arithmetic number, because the mean of its divisors is an integer number (28035316).

Almost surely, 2^56070631 is an apocalyptic number.

56070631 is a deficient number, since it is larger than the sum of its proper divisors (1).

56070631 is an equidigital number, since it uses as much as digits as its factorization.

56070631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 56070631 is about 7488.0325186260. The cubic root of 56070631 is about 382.7470168853.

Adding to 56070631 its reverse (13607065), we get a palindrome (69677696).

The spelling of 56070631 in words is "fifty-six million, seventy thousand, six hundred thirty-one".