152920919 has 2 divisors, whose sum is σ = 152920920. Its totient is φ = 152920918.

The previous prime is 152920913. The next prime is 152920921. The reversal of 152920919 is 919029251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152920919 - 2²⁴ = 136143703 is a prime.

It is a super-2 number, since 2×152920919² = 46769614935609122, which contains 22 as substring.

Together with 152920921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152920913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76460459 + 76460460.

It is an arithmetic number, because the mean of its divisors is an integer number (76460460).

Almost surely, 2^152920919 is an apocalyptic number.

152920919 is a deficient number, since it is larger than the sum of its proper divisors (1).

152920919 is an equidigital number, since it uses as much as digits as its factorization.

152920919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 152920919 is about 12366.1198037218. The cubic root of 152920919 is about 534.7559593879.

The spelling of 152920919 in words is "one hundred fifty-two million, nine hundred twenty thousand, nine hundred nineteen".