152505913 has 8 divisors (see below), whose sum is σ = 183465920. Its totient is φ = 123839280.

The previous prime is 152505911. The next prime is 152505919. The reversal of 152505913 is 319505251.

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

It is a cyclic number.

It is not a de Polignac number, because 152505913 - 2¹ = 152505911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152505911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573198 + ... + 573463.

It is an arithmetic number, because the mean of its divisors is an integer number (22933240).

Almost surely, 2^152505913 is an apocalyptic number.

It is an amenable number.

152505913 is a deficient number, since it is larger than the sum of its proper divisors (30960007).

152505913 is a wasteful number, since it uses less digits than its factorization.

152505913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146687.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 152505913 is about 12349.3284432798. The cubic root of 152505913 is about 534.2717701396.

The spelling of 152505913 in words is "one hundred fifty-two million, five hundred five thousand, nine hundred thirteen".