225451013 has 2 divisors, whose sum is σ = 225451014. Its totient is φ = 225451012.

The previous prime is 225451007. The next prime is 225451019. The reversal of 225451013 is 310154522.

It is a balanced prime because it is at equal distance from previous prime (225451007) and next prime (225451019).

It can be written as a sum of positive squares in only one way, i.e., 156925729 + 68525284 = 12527^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 225451013 - 2⁶ = 225450949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225451013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225451019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112725506 + 112725507.

It is an arithmetic number, because the mean of its divisors is an integer number (112725507).

Almost surely, 2^225451013 is an apocalyptic number.

It is an amenable number.

225451013 is a deficient number, since it is larger than the sum of its proper divisors (1).

225451013 is an equidigital number, since it uses as much as digits as its factorization.

225451013 is an odious number, because the sum of its binary digits is odd.

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

The square root of 225451013 is about 15015.0262404033. The cubic root of 225451013 is about 608.6263212347.

The spelling of 225451013 in words is "two hundred twenty-five million, four hundred fifty-one thousand, thirteen".