225310541 has 4 divisors (see below), whose sum is σ = 233079900. Its totient is φ = 217541184.

The previous prime is 225310517. The next prime is 225310559. The reversal of 225310541 is 145013522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145013522 = 2 ⋅72506761.

It can be written as a sum of positive squares in 2 ways, for example, as 179694025 + 45616516 = 13405^2 + 6754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225310541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225310441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884636 + ... + 3884693.

It is an arithmetic number, because the mean of its divisors is an integer number (58269975).

Almost surely, 2^225310541 is an apocalyptic number.

It is an amenable number.

225310541 is a deficient number, since it is larger than the sum of its proper divisors (7769359).

225310541 is an equidigital number, since it uses as much as digits as its factorization.

225310541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769358.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 225310541 is about 15010.3477974363. The cubic root of 225310541 is about 608.4998891581.

The spelling of 225310541 in words is "two hundred twenty-five million, three hundred ten thousand, five hundred forty-one".