151601537 has 2 divisors, whose sum is σ = 151601538. Its totient is φ = 151601536.

The previous prime is 151601521. The next prime is 151601539. The reversal of 151601537 is 735106151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146918641 + 4682896 = 12121^2 + 2164^2 .

It is a cyclic number.

It is not a de Polignac number, because 151601537 - 2⁴ = 151601521 is a prime.

Together with 151601539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151601539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75800768 + 75800769.

It is an arithmetic number, because the mean of its divisors is an integer number (75800769).

Almost surely, 2^151601537 is an apocalyptic number.

It is an amenable number.

151601537 is a deficient number, since it is larger than the sum of its proper divisors (1).

151601537 is an equidigital number, since it uses as much as digits as its factorization.

151601537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 151601537 is about 12312.6575929001. The cubic root of 151601537 is about 533.2135798403.

Adding to 151601537 its reverse (735106151), we get a palindrome (886707688).

The spelling of 151601537 in words is "one hundred fifty-one million, six hundred one thousand, five hundred thirty-seven".