70258957 has 2 divisors, whose sum is σ = 70258958. Its totient is φ = 70258956.

The previous prime is 70258949. The next prime is 70258961. The reversal of 70258957 is 75985207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49154121 + 21104836 = 7011^2 + 4594^2 .

It is a cyclic number.

It is not a de Polignac number, because 70258957 - 2³ = 70258949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70258907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35129478 + 35129479.

It is an arithmetic number, because the mean of its divisors is an integer number (35129479).

Almost surely, 2^70258957 is an apocalyptic number.

It is an amenable number.

70258957 is a deficient number, since it is larger than the sum of its proper divisors (1).

70258957 is an equidigital number, since it uses as much as digits as its factorization.

70258957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 70258957 is about 8382.0616199119. The cubic root of 70258957 is about 412.6361120459.

The spelling of 70258957 in words is "seventy million, two hundred fifty-eight thousand, nine hundred fifty-seven".