2551002245 has 16 divisors (see below), whose sum is σ = 3447221760. Its totient is φ = 1795425600.

The previous prime is 2551002217. The next prime is 2551002257. The reversal of 2551002245 is 5422001552.

It is not a de Polignac number, because 2551002245 - 2¹⁰ = 2551001221 is a prime.

It is a super-2 number, since 2×2551002245² = 13015224907990080050, which contains 22 as substring.

It is a Curzon number.

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, 746390 + ... + 749799.

It is an arithmetic number, because the mean of its divisors is an integer number (215451360).

Almost surely, 2^2551002245 is an apocalyptic number.

It is an amenable number.

2551002245 is a deficient number, since it is larger than the sum of its proper divisors (896219515).

2551002245 is a wasteful number, since it uses less digits than its factorization.

2551002245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496236.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2551002245 is about 50507.4474211477. The cubic root of 2551002245 is about 1366.3761734027.

Adding to 2551002245 its reverse (5422001552), we get a palindrome (7973003797).

The spelling of 2551002245 in words is "two billion, five hundred fifty-one million, two thousand, two hundred forty-five".