225496694523 has 8 divisors (see below), whose sum is σ = 311029923600. Its totient is φ = 145147297568.

The previous prime is 225496694519. The next prime is 225496694557. The reversal of 225496694523 is 325496694522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225496694523 - 2² = 225496694519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225496694513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295957928 + ... + 1295958101.

It is an arithmetic number, because the mean of its divisors is an integer number (38878740450).

Almost surely, 2^225496694523 is an apocalyptic number.

225496694523 is a deficient number, since it is larger than the sum of its proper divisors (85533229077).

225496694523 is a wasteful number, since it uses less digits than its factorization.

225496694523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591916061.

The product of its digits is 27993600, while the sum is 57.

Subtracting 225496694523 from its reverse (325496694522), we obtain a palindrome (99999999999).

The spelling of 225496694523 in words is "two hundred twenty-five billion, four hundred ninety-six million, six hundred ninety-four thousand, five hundred twenty-three".