70500613 has 2 divisors, whose sum is σ = 70500614. Its totient is φ = 70500612.

The previous prime is 70500593. The next prime is 70500631. The reversal of 70500613 is 31600507.

Together with next prime (70500631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39664804 + 30835809 = 6298^2 + 5553^2 .

It is a cyclic number.

It is not a de Polignac number, because 70500613 - 2²⁵ = 36946181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70500643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250306 + 35250307.

It is an arithmetic number, because the mean of its divisors is an integer number (35250307).

Almost surely, 2^70500613 is an apocalyptic number.

It is an amenable number.

70500613 is a deficient number, since it is larger than the sum of its proper divisors (1).

70500613 is an equidigital number, since it uses as much as digits as its factorization.

70500613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 70500613 is about 8396.4643154128. The cubic root of 70500613 is about 413.1086586078.

The spelling of 70500613 in words is "seventy million, five hundred thousand, six hundred thirteen".