70955251 has 2 divisors, whose sum is σ = 70955252. Its totient is φ = 70955250.

The previous prime is 70955173. The next prime is 70955279. The reversal of 70955251 is 15255907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70955251 - 2¹³ = 70947059 is a prime.

It is not a weakly prime, because it can be changed into another prime (70950251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35477625 + 35477626.

It is an arithmetic number, because the mean of its divisors is an integer number (35477626).

Almost surely, 2^70955251 is an apocalyptic number.

70955251 is a deficient number, since it is larger than the sum of its proper divisors (1).

70955251 is an equidigital number, since it uses as much as digits as its factorization.

70955251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 70955251 is about 8423.4939900258. The cubic root of 70955251 is about 413.9947625498.

The spelling of 70955251 in words is "seventy million, nine hundred fifty-five thousand, two hundred fifty-one".