1655653425 has 24 divisors (see below), whose sum is σ = 2825652480. Its totient is φ = 854529600.

The previous prime is 1655653411. The next prime is 1655653463. The reversal of 1655653425 is 5243565561.

It is not a de Polignac number, because 1655653425 - 2¹¹ = 1655651377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353730 + ... + 358379.

It is an arithmetic number, because the mean of its divisors is an integer number (117735520).

Almost surely, 2^1655653425 is an apocalyptic number.

1655653425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1655653425 is a deficient number, since it is larger than the sum of its proper divisors (1169999055).

1655653425 is a wasteful number, since it uses less digits than its factorization.

1655653425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712153 (or 712148 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 1655653425 is about 40689.7213679327. The cubic root of 1655653425 is about 1183.0137996379.

The spelling of 1655653425 in words is "one billion, six hundred fifty-five million, six hundred fifty-three thousand, four hundred twenty-five".