2551265013 has 8 divisors (see below), whose sum is σ = 3710930976. Its totient is φ = 1546221200.

The previous prime is 2551264999. The next prime is 2551265023. The reversal of 2551265013 is 3105621552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2551265013 - 2²¹ = 2549167861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551265023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38655498 + ... + 38655563.

It is an arithmetic number, because the mean of its divisors is an integer number (463866372).

Almost surely, 2^2551265013 is an apocalyptic number.

It is an amenable number.

2551265013 is a deficient number, since it is larger than the sum of its proper divisors (1159665963).

2551265013 is a wasteful number, since it uses less digits than its factorization.

2551265013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77311075.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2551265013 is about 50510.0486339105. The cubic root of 2551265013 is about 1366.4230866774.

Adding to 2551265013 its reverse (3105621552), we get a palindrome (5656886565).

It can be divided in two parts, 25512 and 65013, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 2551265013 in words is "two billion, five hundred fifty-one million, two hundred sixty-five thousand, thirteen".