225130901 has 2 divisors, whose sum is σ = 225130902. Its totient is φ = 225130900.

The previous prime is 225130879. The next prime is 225130907. The reversal of 225130901 is 109031522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221712100 + 3418801 = 14890^2 + 1849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225130901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225130907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112565450 + 112565451.

It is an arithmetic number, because the mean of its divisors is an integer number (112565451).

Almost surely, 2^225130901 is an apocalyptic number.

It is an amenable number.

225130901 is a deficient number, since it is larger than the sum of its proper divisors (1).

225130901 is an equidigital number, since it uses as much as digits as its factorization.

225130901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 225130901 is about 15004.3627322189. The cubic root of 225130901 is about 608.3381272573.

The spelling of 225130901 in words is "two hundred twenty-five million, one hundred thirty thousand, nine hundred one".