70523263 has 2 divisors, whose sum is σ = 70523264. Its totient is φ = 70523262.

The previous prime is 70523261. The next prime is 70523279. The reversal of 70523263 is 36232507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70523263 - 2¹ = 70523261 is a prime.

Together with 70523261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70523261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35261631 + 35261632.

It is an arithmetic number, because the mean of its divisors is an integer number (35261632).

Almost surely, 2^70523263 is an apocalyptic number.

70523263 is a deficient number, since it is larger than the sum of its proper divisors (1).

70523263 is an equidigital number, since it uses as much as digits as its factorization.

70523263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 70523263 is about 8397.8129891062. The cubic root of 70523263 is about 413.1528942007.

The spelling of 70523263 in words is "seventy million, five hundred twenty-three thousand, two hundred sixty-three".