2551003245 has 24 divisors (see below), whose sum is σ = 5053416576. Its totient is φ = 1166172768.

The previous prime is 2551003243. The next prime is 2551003267. The reversal of 2551003245 is 5423001552.

It is a happy number.

It is not a de Polignac number, because 2551003245 - 2¹ = 2551003243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551003243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4048897 + ... + 4049526.

It is an arithmetic number, because the mean of its divisors is an integer number (210559024).

Almost surely, 2^2551003245 is an apocalyptic number.

It is an amenable number.

2551003245 is a deficient number, since it is larger than the sum of its proper divisors (2502413331).

2551003245 is a wasteful number, since it uses less digits than its factorization.

2551003245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098441 (or 8098438 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2551003245 is about 50507.4573206769. The cubic root of 2551003245 is about 1366.3763519438.

Adding to 2551003245 its reverse (5423001552), we get a palindrome (7974004797).

The spelling of 2551003245 in words is "two billion, five hundred fifty-one million, three thousand, two hundred forty-five".