70251113 has 4 divisors (see below), whose sum is σ = 73948560. Its totient is φ = 66553668.

The previous prime is 70251043. The next prime is 70251127. The reversal of 70251113 is 31115207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70251113 - 2¹² = 70247017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70251143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848695 + ... + 1848732.

It is an arithmetic number, because the mean of its divisors is an integer number (18487140).

Almost surely, 2^70251113 is an apocalyptic number.

It is an amenable number.

70251113 is a deficient number, since it is larger than the sum of its proper divisors (3697447).

70251113 is a wasteful number, since it uses less digits than its factorization.

70251113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697446.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 70251113 is about 8381.5937028706. The cubic root of 70251113 is about 412.6207553414.

It can be divided in two parts, 702 and 51113, that added together give a palindrome (51815).

The spelling of 70251113 in words is "seventy million, two hundred fifty-one thousand, one hundred thirteen".