151515425 has 12 divisors (see below), whose sum is σ = 188032236. Its totient is φ = 121113600.

The previous prime is 151515409. The next prime is 151515433. The reversal of 151515425 is 524515151.

It can be written as a sum of positive squares in 6 ways, for example, as 28561 + 151486864 = 169^2 + 12308^2 .

It is not a de Polignac number, because 151515425 - 2⁴ = 151515409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55697 + ... + 58353.

It is an arithmetic number, because the mean of its divisors is an integer number (15669353).

Almost surely, 2^151515425 is an apocalyptic number.

It is an amenable number.

151515425 is a deficient number, since it is larger than the sum of its proper divisors (36516811).

151515425 is a wasteful number, since it uses less digits than its factorization.

151515425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948 (or 4943 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 151515425 is about 12309.1602069353. The cubic root of 151515425 is about 533.1126028864.

The spelling of 151515425 in words is "one hundred fifty-one million, five hundred fifteen thousand, four hundred twenty-five".