70131263 has 2 divisors, whose sum is σ = 70131264. Its totient is φ = 70131262.

The previous prime is 70131253. The next prime is 70131283. The reversal of 70131263 is 36213107.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70131263 - 2⁸ = 70131007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70131203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35065631 + 35065632.

It is an arithmetic number, because the mean of its divisors is an integer number (35065632).

Almost surely, 2^70131263 is an apocalyptic number.

70131263 is a deficient number, since it is larger than the sum of its proper divisors (1).

70131263 is an equidigital number, since it uses as much as digits as its factorization.

70131263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 70131263 is about 8374.4410559750. The cubic root of 70131263 is about 412.3859749727.

The spelling of 70131263 in words is "seventy million, one hundred thirty-one thousand, two hundred sixty-three".