151538539 has 2 divisors, whose sum is σ = 151538540. Its totient is φ = 151538538.

The previous prime is 151538521. The next prime is 151538549. The reversal of 151538539 is 935835151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151538539 - 2¹¹ = 151536491 is a prime.

It is not a weakly prime, because it can be changed into another prime (151538549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75769269 + 75769270.

It is an arithmetic number, because the mean of its divisors is an integer number (75769270).

Almost surely, 2^151538539 is an apocalyptic number.

151538539 is a deficient number, since it is larger than the sum of its proper divisors (1).

151538539 is an equidigital number, since it uses as much as digits as its factorization.

151538539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 40.

The square root of 151538539 is about 12310.0990654015. The cubic root of 151538539 is about 533.1397106614.

The spelling of 151538539 in words is "one hundred fifty-one million, five hundred thirty-eight thousand, five hundred thirty-nine".