150661325 has 6 divisors (see below), whose sum is σ = 186820074. Its totient is φ = 120529040.

The previous prime is 150661319. The next prime is 150661337. The reversal of 150661325 is 523166051.

It can be written as a sum of positive squares in 3 ways, for example, as 14845609 + 135815716 = 3853^2 + 11654^2 .

It is not a de Polignac number, because 150661325 - 2⁶ = 150661261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3013202 + ... + 3013251.

It is an arithmetic number, because the mean of its divisors is an integer number (31136679).

Almost surely, 2^150661325 is an apocalyptic number.

It is an amenable number.

150661325 is a deficient number, since it is larger than the sum of its proper divisors (36158749).

150661325 is an equidigital number, since it uses as much as digits as its factorization.

150661325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026463 (or 6026458 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 150661325 is about 12274.4175014540. The cubic root of 150661325 is about 532.1089872721.

The spelling of 150661325 in words is "one hundred fifty million, six hundred sixty-one thousand, three hundred twenty-five".