225785953 has 2 divisors, whose sum is σ = 225785954. Its totient is φ = 225785952.

The previous prime is 225785887. The next prime is 225785971. The reversal of 225785953 is 359587522.

225785953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148644864 + 77141089 = 12192^2 + 8783^2 .

It is a cyclic number.

It is not a de Polignac number, because 225785953 - 2²⁵ = 192231521 is a prime.

It is not a weakly prime, because it can be changed into another prime (225785753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112892976 + 112892977.

It is an arithmetic number, because the mean of its divisors is an integer number (112892977).

Almost surely, 2^225785953 is an apocalyptic number.

It is an amenable number.

225785953 is a deficient number, since it is larger than the sum of its proper divisors (1).

225785953 is an equidigital number, since it uses as much as digits as its factorization.

225785953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 46.

The square root of 225785953 is about 15026.1755946082. The cubic root of 225785953 is about 608.9275728302.

The spelling of 225785953 in words is "two hundred twenty-five million, seven hundred eighty-five thousand, nine hundred fifty-three".