159609425 has 12 divisors (see below), whose sum is σ = 198380160. Its totient is φ = 127387920.

The previous prime is 159609419. The next prime is 159609431. The reversal of 159609425 is 524906951.

It is an interprime number because it is at equal distance from previous prime (159609419) and next prime (159609431).

It is not a de Polignac number, because 159609425 - 2⁸ = 159609169 is a prime.

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, 3704 + ... + 18246.

It is an arithmetic number, because the mean of its divisors is an integer number (16531680).

Almost surely, 2^159609425 is an apocalyptic number.

It is an amenable number.

159609425 is a deficient number, since it is larger than the sum of its proper divisors (38770735).

159609425 is a wasteful number, since it uses less digits than its factorization.

159609425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992 (or 14987 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 159609425 is about 12633.6623747827. The cubic root of 159609425 is about 542.4414201933.

The spelling of 159609425 in words is "one hundred fifty-nine million, six hundred nine thousand, four hundred twenty-five".