70512499 has 2 divisors, whose sum is σ = 70512500. Its totient is φ = 70512498.

The previous prime is 70512487. The next prime is 70512509. The reversal of 70512499 is 99421507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70512499 - 2⁵ = 70512467 is a prime.

It is not a weakly prime, because it can be changed into another prime (70512469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35256249 + 35256250.

It is an arithmetic number, because the mean of its divisors is an integer number (35256250).

Almost surely, 2^70512499 is an apocalyptic number.

70512499 is a deficient number, since it is larger than the sum of its proper divisors (1).

70512499 is an equidigital number, since it uses as much as digits as its factorization.

70512499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 70512499 is about 8397.1720835053. The cubic root of 70512499 is about 413.1318732220.

The spelling of 70512499 in words is "seventy million, five hundred twelve thousand, four hundred ninety-nine".