70012519 has 2 divisors, whose sum is σ = 70012520. Its totient is φ = 70012518.

The previous prime is 70012513. The next prime is 70012559. The reversal of 70012519 is 91521007.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70012519 - 2²⁵ = 36458087 is a prime.

It is a super-2 number, since 2×70012519² = 9803505633450722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70012493 and 70012502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70012513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35006259 + 35006260.

It is an arithmetic number, because the mean of its divisors is an integer number (35006260).

Almost surely, 2^70012519 is an apocalyptic number.

70012519 is a deficient number, since it is larger than the sum of its proper divisors (1).

70012519 is an equidigital number, since it uses as much as digits as its factorization.

70012519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 70012519 is about 8367.3483852413. The cubic root of 70012519 is about 412.1530972643.

The spelling of 70012519 in words is "seventy million, twelve thousand, five hundred nineteen".