2551001253 has 16 divisors (see below), whose sum is σ = 3536332800. Its totient is φ = 1633958640.

The previous prime is 2551001221. The next prime is 2551001261. The reversal of 2551001253 is 3521001552.

It is a happy number.

It is not a de Polignac number, because 2551001253 - 2⁵ = 2551001221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551001753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85743 + ... + 111596.

It is an arithmetic number, because the mean of its divisors is an integer number (221020800).

Almost surely, 2^2551001253 is an apocalyptic number.

It is an amenable number.

2551001253 is a deficient number, since it is larger than the sum of its proper divisors (985331547).

2551001253 is a wasteful number, since it uses less digits than its factorization.

2551001253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197512.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2551001253 is about 50507.4376008128. The cubic root of 2551001253 is about 1366.3759962899.

The spelling of 2551001253 in words is "two billion, five hundred fifty-one million, one thousand, two hundred fifty-three".