225087013 has 4 divisors (see below), whose sum is σ = 226388268. Its totient is φ = 223785760.

The previous prime is 225086957. The next prime is 225087041. The reversal of 225087013 is 310780522.

225087013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 179077924 + 46009089 = 13382^2 + 6783^2 .

It is a cyclic number.

It is not a de Polignac number, because 225087013 - 2⁹ = 225086501 is a prime.

It is a super-3 number, since 3×225087013³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225087043) 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, 650368 + ... + 650713.

It is an arithmetic number, because the mean of its divisors is an integer number (56597067).

Almost surely, 2^225087013 is an apocalyptic number.

It is an amenable number.

225087013 is a deficient number, since it is larger than the sum of its proper divisors (1301255).

225087013 is a wasteful number, since it uses less digits than its factorization.

225087013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301254.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 225087013 is about 15002.9001529704. The cubic root of 225087013 is about 608.2985939921.

The spelling of 225087013 in words is "two hundred twenty-five million, eighty-seven thousand, thirteen".