2251874261 has 8 divisors (see below), whose sum is σ = 2771537664. Its totient is φ = 1781702640.

The previous prime is 2251874257. The next prime is 2251874263. The reversal of 2251874261 is 1624781522.

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 2251874261 - 2² = 2251874257 is a prime.

It is a super-2 number, since 2×2251874261² = 10141875374708592242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251874263) 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, 12372845 + ... + 12373026.

It is an arithmetic number, because the mean of its divisors is an integer number (346442208).

Almost surely, 2^2251874261 is an apocalyptic number.

It is an amenable number.

2251874261 is a deficient number, since it is larger than the sum of its proper divisors (519663403).

2251874261 is a wasteful number, since it uses less digits than its factorization.

2251874261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24745891.

The product of its digits is 53760, while the sum is 38.

The square root of 2251874261 is about 47453.9172355665. The cubic root of 2251874261 is about 1310.7344445210.

The spelling of 2251874261 in words is "two billion, two hundred fifty-one million, eight hundred seventy-four thousand, two hundred sixty-one".