225415051 has 2 divisors, whose sum is σ = 225415052. Its totient is φ = 225415050.

The previous prime is 225415039. The next prime is 225415079. The reversal of 225415051 is 150514522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225415051 - 2¹⁷ = 225283979 is a prime.

It is not a weakly prime, because it can be changed into another prime (225413051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112707525 + 112707526.

It is an arithmetic number, because the mean of its divisors is an integer number (112707526).

Almost surely, 2^225415051 is an apocalyptic number.

225415051 is a deficient number, since it is larger than the sum of its proper divisors (1).

225415051 is an equidigital number, since it uses as much as digits as its factorization.

225415051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 225415051 is about 15013.8286589397. The cubic root of 225415051 is about 608.5939585744.

Adding to 225415051 its reverse (150514522), we get a palindrome (375929573).

The spelling of 225415051 in words is "two hundred twenty-five million, four hundred fifteen thousand, fifty-one".