158487425 has 6 divisors (see below), whose sum is σ = 196524438. Its totient is φ = 126789920.

The previous prime is 158487419. The next prime is 158487443. The reversal of 158487425 is 524784851.

It can be written as a sum of positive squares in 3 ways, for example, as 8473921 + 150013504 = 2911^2 + 12248^2 .

It is not a de Polignac number, because 158487425 - 2¹⁰ = 158486401 is a prime.

It is a Duffinian 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, 3169724 + ... + 3169773.

It is an arithmetic number, because the mean of its divisors is an integer number (32754073).

Almost surely, 2^158487425 is an apocalyptic number.

It is an amenable number.

158487425 is a deficient number, since it is larger than the sum of its proper divisors (38037013).

158487425 is an equidigital number, since it uses as much as digits as its factorization.

158487425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6339507 (or 6339502 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 158487425 is about 12589.1788850584. The cubic root of 158487425 is about 541.1673705392.

The spelling of 158487425 in words is "one hundred fifty-eight million, four hundred eighty-seven thousand, four hundred twenty-five".