225012534 has 16 divisors (see below), whose sum is σ = 450947520. Its totient is φ = 74850440.

The previous prime is 225012533. The next prime is 225012581. The reversal of 225012534 is 435210522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225012533) 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, 35244 + ... + 41135.

It is an arithmetic number, because the mean of its divisors is an integer number (28184220).

Almost surely, 2^225012534 is an apocalyptic number.

225012534 is an abundant number, since it is smaller than the sum of its proper divisors (225934986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225012534 is a wasteful number, since it uses less digits than its factorization.

225012534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76875.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225012534 is about 15000.4177941816. The cubic root of 225012534 is about 608.2314933209.

The spelling of 225012534 in words is "two hundred twenty-five million, twelve thousand, five hundred thirty-four".