225135501 has 8 divisors (see below), whose sum is σ = 300721824. Its totient is φ = 149819760.

The previous prime is 225135479. The next prime is 225135509. The reversal of 225135501 is 105531522.

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 225135501 - 2⁷ = 225135373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225135509) 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, 65695 + ... + 69036.

It is an arithmetic number, because the mean of its divisors is an integer number (37590228).

Almost surely, 2^225135501 is an apocalyptic number.

It is an amenable number.

225135501 is a deficient number, since it is larger than the sum of its proper divisors (75586323).

225135501 is a wasteful number, since it uses less digits than its factorization.

225135501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135291.

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

The square root of 225135501 is about 15004.5160201854. The cubic root of 225135501 is about 608.3422705303.

The spelling of 225135501 in words is "two hundred twenty-five million, one hundred thirty-five thousand, five hundred one".