2551301213 has 4 divisors (see below), whose sum is σ = 2552666688. Its totient is φ = 2549935740.

The previous prime is 2551301183. The next prime is 2551301237. The reversal of 2551301213 is 3121031552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551301213 - 2³⁰ = 1477559389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551301113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679931 + ... + 683672.

It is an arithmetic number, because the mean of its divisors is an integer number (638166672).

Almost surely, 2^2551301213 is an apocalyptic number.

It is an amenable number.

2551301213 is a deficient number, since it is larger than the sum of its proper divisors (1365475).

2551301213 is a wasteful number, since it uses less digits than its factorization.

2551301213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365474.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2551301213 is about 50510.4069771765. The cubic root of 2551301213 is about 1366.4295493906.

Adding to 2551301213 its reverse (3121031552), we get a palindrome (5672332765).

The spelling of 2551301213 in words is "two billion, five hundred fifty-one million, three hundred one thousand, two hundred thirteen".