225551257049 has 2 divisors, whose sum is σ = 225551257050. Its totient is φ = 225551257048.

The previous prime is 225551257033. The next prime is 225551257081. The reversal of 225551257049 is 940752155522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114265633024 + 111285624025 = 338032^2 + 333595^2 .

It is a cyclic number.

It is not a de Polignac number, because 225551257049 - 2⁴ = 225551257033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225551256994 and 225551257012.

It is not a weakly prime, because it can be changed into another prime (225551257949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112775628524 + 112775628525.

It is an arithmetic number, because the mean of its divisors is an integer number (112775628525).

Almost surely, 2^225551257049 is an apocalyptic number.

It is an amenable number.

225551257049 is a deficient number, since it is larger than the sum of its proper divisors (1).

225551257049 is an equidigital number, since it uses as much as digits as its factorization.

225551257049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 225551257049 in words is "two hundred twenty-five billion, five hundred fifty-one million, two hundred fifty-seven thousand, forty-nine".