152917979 has 2 divisors, whose sum is σ = 152917980. Its totient is φ = 152917978.

The previous prime is 152917967. The next prime is 152917981. The reversal of 152917979 is 979719251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152917979 - 2¹⁶ = 152852443 is a prime.

Together with 152917981, 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 (152917949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76458989 + 76458990.

It is an arithmetic number, because the mean of its divisors is an integer number (76458990).

Almost surely, 2^152917979 is an apocalyptic number.

152917979 is a deficient number, since it is larger than the sum of its proper divisors (1).

152917979 is an equidigital number, since it uses as much as digits as its factorization.

152917979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 50.

The square root of 152917979 is about 12366.0009299692. Note that the first 3 decimals coincide. The cubic root of 152917979 is about 534.7525323604.

The spelling of 152917979 in words is "one hundred fifty-two million, nine hundred seventeen thousand, nine hundred seventy-nine".