225789497 has 4 divisors (see below), whose sum is σ = 225855120. Its totient is φ = 225723876.

The previous prime is 225789491. The next prime is 225789541. The reversal of 225789497 is 794987522.

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 not a de Polignac number, because 225789497 - 2⁶ = 225789433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225789491) 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, 27347 + ... + 34632.

It is an arithmetic number, because the mean of its divisors is an integer number (56463780).

Almost surely, 2^225789497 is an apocalyptic number.

It is an amenable number.

225789497 is a deficient number, since it is larger than the sum of its proper divisors (65623).

225789497 is an equidigital number, since it uses as much as digits as its factorization.

225789497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65622.

The product of its digits is 2540160, while the sum is 53.

The square root of 225789497 is about 15026.2935216906. The cubic root of 225789497 is about 608.9307587798.

The spelling of 225789497 in words is "two hundred twenty-five million, seven hundred eighty-nine thousand, four hundred ninety-seven".