70115233 has 2 divisors, whose sum is σ = 70115234. Its totient is φ = 70115232.

The previous prime is 70115203. The next prime is 70115239. The reversal of 70115233 is 33251107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70023424 + 91809 = 8368^2 + 303^2 .

It is an emirp because it is prime and its reverse (33251107) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70115233 is a prime.

It is a super-2 number, since 2×70115233² = 9832291797288578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70115239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35057616 + 35057617.

It is an arithmetic number, because the mean of its divisors is an integer number (35057617).

Almost surely, 2^70115233 is an apocalyptic number.

It is an amenable number.

70115233 is a deficient number, since it is larger than the sum of its proper divisors (1).

70115233 is an equidigital number, since it uses as much as digits as its factorization.

70115233 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 22.

The square root of 70115233 is about 8373.4839224781. The cubic root of 70115233 is about 412.3545527006.

The spelling of 70115233 in words is "seventy million, one hundred fifteen thousand, two hundred thirty-three".