2551002125 has 16 divisors (see below), whose sum is σ = 3638459136. Its totient is φ = 1749258000.

The previous prime is 2551002119. The next prime is 2551002163. The reversal of 2551002125 is 5212001552.

It is not a de Polignac number, because 2551002125 - 2⁴ = 2551002109 is a prime.

It is a super-2 number, since 2×2551002125² = 13015223683509031250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2551002125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456841 + ... + 1458590.

It is an arithmetic number, because the mean of its divisors is an integer number (227403696).

Almost surely, 2^2551002125 is an apocalyptic number.

2551002125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551002125 is a deficient number, since it is larger than the sum of its proper divisors (1087457011).

2551002125 is an equidigital number, since it uses as much as digits as its factorization.

2551002125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915453 (or 2915443 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2551002125 is about 50507.4462332041. The cubic root of 2551002125 is about 1366.3761519778.

Adding to 2551002125 its reverse (5212001552), we get a palindrome (7763003677).

The spelling of 2551002125 in words is "two billion, five hundred fifty-one million, two thousand, one hundred twenty-five".