225603537 has 8 divisors (see below), whose sum is σ = 300877536. Its totient is φ = 150365952.

The previous prime is 225603503. The next prime is 225603571. The reversal of 225603537 is 735306522.

It is an interprime number because it is at equal distance from previous prime (225603503) and next prime (225603571).

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

It is not a de Polignac number, because 225603537 - 2⁷ = 225603409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225603498 and 225603507.

It is not an unprimeable number, because it can be changed into a prime (225602537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13078 + ... + 24944.

It is an arithmetic number, because the mean of its divisors is an integer number (37609692).

Almost surely, 2^225603537 is an apocalyptic number.

It is an amenable number.

225603537 is a deficient number, since it is larger than the sum of its proper divisors (75273999).

225603537 is a wasteful number, since it uses less digits than its factorization.

225603537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18207.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 225603537 is about 15020.1044270671. The cubic root of 225603537 is about 608.7635412802.

The spelling of 225603537 in words is "two hundred twenty-five million, six hundred three thousand, five hundred thirty-seven".