225375461 has 4 divisors (see below), whose sum is σ = 228090912. Its totient is φ = 222660012.

The previous prime is 225375439. The next prime is 225375467. The reversal of 225375461 is 164573522.

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 a de Polignac number, because none of the positive numbers 2^k-225375461 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 (225375467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357601 + ... + 1357766.

It is an arithmetic number, because the mean of its divisors is an integer number (57022728).

Almost surely, 2^225375461 is an apocalyptic number.

It is an amenable number.

225375461 is a deficient number, since it is larger than the sum of its proper divisors (2715451).

225375461 is an equidigital number, since it uses as much as digits as its factorization.

225375461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715450.

The product of its digits is 50400, while the sum is 35.

The square root of 225375461 is about 15012.5101498717. The cubic root of 225375461 is about 608.5583270502.

The spelling of 225375461 in words is "two hundred twenty-five million, three hundred seventy-five thousand, four hundred sixty-one".