225435013 has 2 divisors, whose sum is σ = 225435014. Its totient is φ = 225435012.

The previous prime is 225434987. The next prime is 225435017. The reversal of 225435013 is 310534522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141657604 + 83777409 = 11902^2 + 9153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225435013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225435017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112717506 + 112717507.

It is an arithmetic number, because the mean of its divisors is an integer number (112717507).

Almost surely, 2^225435013 is an apocalyptic number.

It is an amenable number.

225435013 is a deficient number, since it is larger than the sum of its proper divisors (1).

225435013 is an equidigital number, since it uses as much as digits as its factorization.

225435013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 225435013 is about 15014.4934313483. The cubic root of 225435013 is about 608.6119230566.

Adding to 225435013 its reverse (310534522), we get a palindrome (535969535).

It can be divided in two parts, 22543501 and 3, that added together give a square (22543504 = 4748²).

The spelling of 225435013 in words is "two hundred twenty-five million, four hundred thirty-five thousand, thirteen".