152601521 has 8 divisors (see below), whose sum is σ = 160776000. Its totient is φ = 144441360.

The previous prime is 152601487. The next prime is 152601541. The reversal of 152601521 is 125106251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152601521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152601541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23711 + ... + 29451.

It is an arithmetic number, because the mean of its divisors is an integer number (20097000).

Almost surely, 2^152601521 is an apocalyptic number.

It is an amenable number.

152601521 is a deficient number, since it is larger than the sum of its proper divisors (8174479).

152601521 is a wasteful number, since it uses less digits than its factorization.

152601521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 152601521 is about 12353.1988165009. The cubic root of 152601521 is about 534.3833941935.

Adding to 152601521 its reverse (125106251), we get a palindrome (277707772).

The spelling of 152601521 in words is "one hundred fifty-two million, six hundred one thousand, five hundred twenty-one".