225277251 has 16 divisors (see below), whose sum is σ = 324808704. Its totient is φ = 138341504.

The previous prime is 225277237. The next prime is 225277267. The reversal of 225277251 is 152772522.

It is a cyclic number.

It is not a de Polignac number, because 225277251 - 2⁹ = 225276739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225277211) 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, 44595 + ... + 49388.

It is an arithmetic number, because the mean of its divisors is an integer number (20300544).

Almost surely, 2^225277251 is an apocalyptic number.

225277251 is a deficient number, since it is larger than the sum of its proper divisors (99531453).

225277251 is a wasteful number, since it uses less digits than its factorization.

225277251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94050.

The product of its digits is 19600, while the sum is 33.

The square root of 225277251 is about 15009.2388547854. The cubic root of 225277251 is about 608.4699187316.

The spelling of 225277251 in words is "two hundred twenty-five million, two hundred seventy-seven thousand, two hundred fifty-one".