70013291 has 2 divisors, whose sum is σ = 70013292. Its totient is φ = 70013290.

The previous prime is 70013269. The next prime is 70013297. The reversal of 70013291 is 19231007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70013291 - 2²⁶ = 2904427 is a prime.

It is not a weakly prime, because it can be changed into another prime (70013297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35006645 + 35006646.

It is an arithmetic number, because the mean of its divisors is an integer number (35006646).

Almost surely, 2^70013291 is an apocalyptic number.

70013291 is a deficient number, since it is larger than the sum of its proper divisors (1).

70013291 is an equidigital number, since it uses as much as digits as its factorization.

70013291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 70013291 is about 8367.3945168135. The cubic root of 70013291 is about 412.1546121411.

Adding to 70013291 its reverse (19231007), we get a palindrome (89244298).

The spelling of 70013291 in words is "seventy million, thirteen thousand, two hundred ninety-one".