225513357451 has 2 divisors, whose sum is σ = 225513357452. Its totient is φ = 225513357450.

The previous prime is 225513357383. The next prime is 225513357491. The reversal of 225513357451 is 154753315522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225513357451 - 2¹⁹ = 225512833163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225513357398 and 225513357407.

It is not a weakly prime, because it can be changed into another prime (225513357491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112756678725 + 112756678726.

It is an arithmetic number, because the mean of its divisors is an integer number (112756678726).

Almost surely, 2^225513357451 is an apocalyptic number.

225513357451 is a deficient number, since it is larger than the sum of its proper divisors (1).

225513357451 is an equidigital number, since it uses as much as digits as its factorization.

225513357451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630000, while the sum is 43.

The spelling of 225513357451 in words is "two hundred twenty-five billion, five hundred thirteen million, three hundred fifty-seven thousand, four hundred fifty-one".