152979919 has 2 divisors, whose sum is σ = 152979920. Its totient is φ = 152979918.

The previous prime is 152979881. The next prime is 152979943. The reversal of 152979919 is 919979251.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (919979251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152979919 - 2¹⁹ = 152455631 is a prime.

It is a super-2 number, since 2×152979919² = 46805711234493122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152979949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76489959 + 76489960.

It is an arithmetic number, because the mean of its divisors is an integer number (76489960).

Almost surely, 2^152979919 is an apocalyptic number.

152979919 is a deficient number, since it is larger than the sum of its proper divisors (1).

152979919 is an equidigital number, since it uses as much as digits as its factorization.

152979919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 52.

The square root of 152979919 is about 12368.5051239024. The cubic root of 152979919 is about 534.8247237860.

The spelling of 152979919 in words is "one hundred fifty-two million, nine hundred seventy-nine thousand, nine hundred nineteen".