1655738925 has 12 divisors (see below), whose sum is σ = 2737488480. Its totient is φ = 883060720.

The previous prime is 1655738899. The next prime is 1655738933. The reversal of 1655738925 is 5298375561.

It is a happy number.

It is not a de Polignac number, because 1655738925 - 2⁵ = 1655738893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11038185 + ... + 11038334.

It is an arithmetic number, because the mean of its divisors is an integer number (228124040).

Almost surely, 2^1655738925 is an apocalyptic number.

1655738925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655738925 is a deficient number, since it is larger than the sum of its proper divisors (1081749555).

1655738925 is a wasteful number, since it uses less digits than its factorization.

1655738925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22076532 (or 22076527 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The square root of 1655738925 is about 40690.7719882531. The cubic root of 1655738925 is about 1183.0341633882.

The spelling of 1655738925 in words is "one billion, six hundred fifty-five million, seven hundred thirty-eight thousand, nine hundred twenty-five".