70152569 has 2 divisors, whose sum is σ = 70152570. Its totient is φ = 70152568.

The previous prime is 70152539. The next prime is 70152571. The reversal of 70152569 is 96525107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 16687225 = 7312^2 + 4085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70152569 is a prime.

It is a super-2 number, since 2×70152569² = 9842765874599522, which contains 22 as substring.

Together with 70152571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70152539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35076284 + 35076285.

It is an arithmetic number, because the mean of its divisors is an integer number (35076285).

Almost surely, 2^70152569 is an apocalyptic number.

It is an amenable number.

70152569 is a deficient number, since it is larger than the sum of its proper divisors (1).

70152569 is an equidigital number, since it uses as much as digits as its factorization.

70152569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 70152569 is about 8375.7130442727. The cubic root of 70152569 is about 412.4277319372.

The spelling of 70152569 in words is "seventy million, one hundred fifty-two thousand, five hundred sixty-nine".