655425519 has 24 divisors (see below), whose sum is σ = 1028845440. Its totient is φ = 370009584.

The previous prime is 655425493. The next prime is 655425527. The reversal of 655425519 is 915524556.

It is not a de Polignac number, because 655425519 - 2¹² = 655421423 is a prime.

It is a super-2 number, since 2×655425519² = 859165221912838722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655425559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14659 + ... + 39060.

It is an arithmetic number, because the mean of its divisors is an integer number (42868560).

Almost surely, 2^655425519 is an apocalyptic number.

655425519 is a deficient number, since it is larger than the sum of its proper divisors (373419921).

655425519 is a wasteful number, since it uses less digits than its factorization.

655425519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53819 (or 53812 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 655425519 is about 25601.2796359869. The cubic root of 655425519 is about 868.6425826231.

The spelling of 655425519 in words is "six hundred fifty-five million, four hundred twenty-five thousand, five hundred nineteen".