225724273759 has 2 divisors, whose sum is σ = 225724273760. Its totient is φ = 225724273758.

The previous prime is 225724273741. The next prime is 225724273787. The reversal of 225724273759 is 957372427522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225724273759 - 2¹¹ = 225724271711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225724273799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112862136879 + 112862136880.

It is an arithmetic number, because the mean of its divisors is an integer number (112862136880).

Almost surely, 2^225724273759 is an apocalyptic number.

225724273759 is a deficient number, since it is larger than the sum of its proper divisors (1).

225724273759 is an equidigital number, since it uses as much as digits as its factorization.

225724273759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14817600, while the sum is 55.

The spelling of 225724273759 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-three thousand, seven hundred fifty-nine".