225015254 has 4 divisors (see below), whose sum is σ = 337522884. Its totient is φ = 112507626.

The previous prime is 225015221. The next prime is 225015277. The reversal of 225015254 is 452510522.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56253812 + ... + 56253815.

It is an arithmetic number, because the mean of its divisors is an integer number (84380721).

Almost surely, 2^225015254 is an apocalyptic number.

225015254 is a deficient number, since it is larger than the sum of its proper divisors (112507630).

225015254 is a wasteful number, since it uses less digits than its factorization.

225015254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112507629.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 225015254 is about 15000.5084580490. The cubic root of 225015254 is about 608.2339441222.

Adding to 225015254 its reverse (452510522), we get a palindrome (677525776).

The spelling of 225015254 in words is "two hundred twenty-five million, fifteen thousand, two hundred fifty-four".