151606513 has 4 divisors (see below), whose sum is σ = 153741888. Its totient is φ = 149471140.

The previous prime is 151606489. The next prime is 151606549. The reversal of 151606513 is 315606151.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151606513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151606573) 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, 1067581 + ... + 1067722.

It is an arithmetic number, because the mean of its divisors is an integer number (38435472).

Almost surely, 2^151606513 is an apocalyptic number.

It is an amenable number.

151606513 is a deficient number, since it is larger than the sum of its proper divisors (2135375).

151606513 is an equidigital number, since it uses as much as digits as its factorization.

151606513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135374.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 151606513 is about 12312.8596597216. The cubic root of 151606513 is about 533.2194136460.

It can be divided in two parts, 15160651 and 3, that multiplied together give a triangular number (45481953 = T₉₅₃₇).

The spelling of 151606513 in words is "one hundred fifty-one million, six hundred six thousand, five hundred thirteen".