225137541 has 4 divisors (see below), whose sum is σ = 300183392. Its totient is φ = 150091692.

The previous prime is 225137533. The next prime is 225137557. The reversal of 225137541 is 145731522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225137541 - 2³ = 225137533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225137499 and 225137508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225137581) 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, 37522921 + ... + 37522926.

It is an arithmetic number, because the mean of its divisors is an integer number (75045848).

Almost surely, 2^225137541 is an apocalyptic number.

It is an amenable number.

225137541 is a deficient number, since it is larger than the sum of its proper divisors (75045851).

225137541 is an equidigital number, since it uses as much as digits as its factorization.

225137541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75045850.

The product of its digits is 8400, while the sum is 30.

The square root of 225137541 is about 15004.5839995649. The cubic root of 225137541 is about 608.3441079637.

The spelling of 225137541 in words is "two hundred twenty-five million, one hundred thirty-seven thousand, five hundred forty-one".