1655122525 has 12 divisors (see below), whose sum is σ = 2345545312. Its totient is φ = 1134941040.

The previous prime is 1655122501. The next prime is 1655122529. The reversal of 1655122525 is 5252215561.

It is not a de Polignac number, because 1655122525 - 2⁹ = 1655122013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655122529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4728747 + ... + 4729096.

Almost surely, 2^1655122525 is an apocalyptic number.

It is an amenable number.

1655122525 is a deficient number, since it is larger than the sum of its proper divisors (690422787).

1655122525 is an equidigital number, since it uses as much as digits as its factorization.

1655122525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457860 (or 9457855 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 1655122525 is about 40683.1970843000. The cubic root of 1655122525 is about 1182.8873381534.

The spelling of 1655122525 in words is "one billion, six hundred fifty-five million, one hundred twenty-two thousand, five hundred twenty-five".