152534639 has 2 divisors, whose sum is σ = 152534640. Its totient is φ = 152534638.

The previous prime is 152534617. The next prime is 152534651. The reversal of 152534639 is 936435251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152534639 - 2¹⁶ = 152469103 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152534699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76267319 + 76267320.

It is an arithmetic number, because the mean of its divisors is an integer number (76267320).

Almost surely, 2^152534639 is an apocalyptic number.

152534639 is a deficient number, since it is larger than the sum of its proper divisors (1).

152534639 is an equidigital number, since it uses as much as digits as its factorization.

152534639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 152534639 is about 12350.4914477117. The cubic root of 152534639 is about 534.3053131611.

The spelling of 152534639 in words is "one hundred fifty-two million, five hundred thirty-four thousand, six hundred thirty-nine".