2656201625 has 32 divisors (see below), whose sum is σ = 4132926720. Its totient is φ = 1655808000.

The previous prime is 2656201619. The next prime is 2656201627. The reversal of 2656201625 is 5261026562.

It is not a de Polignac number, because 2656201625 - 2⁴ = 2656201609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (2656201627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128360 + ... + 147609.

It is an arithmetic number, because the mean of its divisors is an integer number (129153960).

Almost surely, 2^2656201625 is an apocalyptic number.

2656201625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2656201625 is a deficient number, since it is larger than the sum of its proper divisors (1476725095).

2656201625 is a wasteful number, since it uses less digits than its factorization.

2656201625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276002 (or 275992 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2656201625 is about 51538.3510116496. The cubic root of 2656201625 is about 1384.9061568915.

The spelling of 2656201625 in words is "two billion, six hundred fifty-six million, two hundred one thousand, six hundred twenty-five".