225513501 has 8 divisors (see below), whose sum is σ = 300852864. Its totient is φ = 150258240.

The previous prime is 225513493. The next prime is 225513529. The reversal of 225513501 is 105315522.

It is a happy number.

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

It is not a de Polignac number, because 225513501 - 2³ = 225513493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225513901) 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, 14476 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (37606608).

Almost surely, 2^225513501 is an apocalyptic number.

It is an amenable number.

225513501 is a deficient number, since it is larger than the sum of its proper divisors (75339363).

225513501 is a wasteful number, since it uses less digits than its factorization.

225513501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42051.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 225513501 is about 15017.1069450810. The cubic root of 225513501 is about 608.6825467947.

The spelling of 225513501 in words is "two hundred twenty-five million, five hundred thirteen thousand, five hundred one".