152979881 has 2 divisors, whose sum is σ = 152979882. Its totient is φ = 152979880.

The previous prime is 152979851. The next prime is 152979919. The reversal of 152979881 is 188979251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141824281 + 11155600 = 11909^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 152979881 - 2²² = 148785577 is a prime.

It is a super-2 number, since 2×152979881² = 46805687981548322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152979851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76489940 + 76489941.

It is an arithmetic number, because the mean of its divisors is an integer number (76489941).

Almost surely, 2^152979881 is an apocalyptic number.

It is an amenable number.

152979881 is a deficient number, since it is larger than the sum of its proper divisors (1).

152979881 is an equidigital number, since it uses as much as digits as its factorization.

152979881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 50.

The square root of 152979881 is about 12368.5035877425. The cubic root of 152979881 is about 534.8246795028.

The spelling of 152979881 in words is "one hundred fifty-two million, nine hundred seventy-nine thousand, eight hundred eighty-one".