152699971 has 2 divisors, whose sum is σ = 152699972. Its totient is φ = 152699970.

The previous prime is 152699959. The next prime is 152700043. The reversal of 152699971 is 179996251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 152699971 - 2²¹ = 150602819 is a prime.

It is a super-2 number, since 2×152699971² = 46634562286801682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152699171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76349985 + 76349986.

It is an arithmetic number, because the mean of its divisors is an integer number (76349986).

Almost surely, 2^152699971 is an apocalyptic number.

152699971 is a deficient number, since it is larger than the sum of its proper divisors (1).

152699971 is an equidigital number, since it uses as much as digits as its factorization.

152699971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 49.

The square root of 152699971 is about 12357.1829718589. The cubic root of 152699971 is about 534.4982876213.

The spelling of 152699971 in words is "one hundred fifty-two million, six hundred ninety-nine thousand, nine hundred seventy-one".