152979917 has 4 divisors (see below), whose sum is σ = 153006240. Its totient is φ = 152953596.

The previous prime is 152979881. The next prime is 152979919. The reversal of 152979917 is 719979251.

152979917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152979917 - 2¹⁴ = 152963533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152979919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (38251560).

Almost surely, 2^152979917 is an apocalyptic number.

It is an amenable number.

152979917 is a deficient number, since it is larger than the sum of its proper divisors (26323).

152979917 is an equidigital number, since it uses as much as digits as its factorization.

152979917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26322.

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

The square root of 152979917 is about 12368.5050430519. The cubic root of 152979917 is about 534.8247214553.

The spelling of 152979917 in words is "one hundred fifty-two million, nine hundred seventy-nine thousand, nine hundred seventeen".