70561199 has 2 divisors, whose sum is σ = 70561200. Its totient is φ = 70561198.

The previous prime is 70561181. The next prime is 70561213. The reversal of 70561199 is 99116507.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70561199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70561129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35280599 + 35280600.

It is an arithmetic number, because the mean of its divisors is an integer number (35280600).

Almost surely, 2^70561199 is an apocalyptic number.

70561199 is a deficient number, since it is larger than the sum of its proper divisors (1).

70561199 is an equidigital number, since it uses as much as digits as its factorization.

70561199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 70561199 is about 8400.0713687444. The cubic root of 70561199 is about 413.2269622364.

The spelling of 70561199 in words is "seventy million, five hundred sixty-one thousand, one hundred ninety-nine".