225013015 has 4 divisors (see below), whose sum is σ = 270015624. Its totient is φ = 180010408.

The previous prime is 225012989. The next prime is 225013027. The reversal of 225013015 is 510310522.

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

It is a cyclic number.

It is not a de Polignac number, because 225013015 - 2¹¹ = 225010967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225012983 and 225013001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22501297 + ... + 22501306.

It is an arithmetic number, because the mean of its divisors is an integer number (67503906).

Almost surely, 2^225013015 is an apocalyptic number.

225013015 is a deficient number, since it is larger than the sum of its proper divisors (45002609).

225013015 is an equidigital number, since it uses as much as digits as its factorization.

225013015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45002608.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 225013015 is about 15000.4338270598. The cubic root of 225013015 is about 608.2319267177.

Adding to 225013015 its reverse (510310522), we get a palindrome (735323537).

The spelling of 225013015 in words is "two hundred twenty-five million, thirteen thousand, fifteen".