151513013 has 4 divisors (see below), whose sum is σ = 151837920. Its totient is φ = 151188108.

The previous prime is 151512989. The next prime is 151513031. The reversal of 151513013 is 310315151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310315151 = 641 ⋅484111.

It is a cyclic number.

It is not a de Polignac number, because 151513013 - 2¹⁰ = 151511989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151513613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161753 + ... + 162686.

It is an arithmetic number, because the mean of its divisors is an integer number (37959480).

Almost surely, 2^151513013 is an apocalyptic number.

It is an amenable number.

151513013 is a deficient number, since it is larger than the sum of its proper divisors (324907).

151513013 is an equidigital number, since it uses as much as digits as its factorization.

151513013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324906.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 151513013 is about 12309.0622307307. The cubic root of 151513013 is about 533.1097739678.

Adding to 151513013 its reverse (310315151), we get a palindrome (461828164).

The spelling of 151513013 in words is "one hundred fifty-one million, five hundred thirteen thousand, thirteen".