151601539 has 2 divisors, whose sum is σ = 151601540. Its totient is φ = 151601538.

The previous prime is 151601537. The next prime is 151601561. The reversal of 151601539 is 935106151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151601539 - 2¹ = 151601537 is a prime.

Together with 151601537, it forms a pair of twin primes.

It is equal to p_8529331 and since 151601539 and 8529331 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151601539.

It is not a weakly prime, because it can be changed into another prime (151601537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75800769 + 75800770.

It is an arithmetic number, because the mean of its divisors is an integer number (75800770).

Almost surely, 2^151601539 is an apocalyptic number.

151601539 is a deficient number, since it is larger than the sum of its proper divisors (1).

151601539 is an equidigital number, since it uses as much as digits as its factorization.

151601539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 151601539 is about 12312.6576741173. The cubic root of 151601539 is about 533.2135821851.

The spelling of 151601539 in words is "one hundred fifty-one million, six hundred one thousand, five hundred thirty-nine".