152521979 has 2 divisors, whose sum is σ = 152521980. Its totient is φ = 152521978.

The previous prime is 152521961. The next prime is 152521997. The reversal of 152521979 is 979125251.

Together with next prime (152521997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (152521961) and next prime (152521997).

It is a cyclic number.

It is not a de Polignac number, because 152521979 - 2⁸ = 152521723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152521939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76260989 + 76260990.

It is an arithmetic number, because the mean of its divisors is an integer number (76260990).

Almost surely, 2^152521979 is an apocalyptic number.

152521979 is a deficient number, since it is larger than the sum of its proper divisors (1).

152521979 is an equidigital number, since it uses as much as digits as its factorization.

152521979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 41.

The square root of 152521979 is about 12349.9789068646. The cubic root of 152521979 is about 534.2905307430.

The spelling of 152521979 in words is "one hundred fifty-two million, five hundred twenty-one thousand, nine hundred seventy-nine".