25224532433 has 2 divisors, whose sum is σ = 25224532434. Its totient is φ = 25224532432.

The previous prime is 25224532409. The next prime is 25224532439. The reversal of 25224532433 is 33423542252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24382197904 + 842334529 = 156148^2 + 29023^2 .

It is a cyclic number.

It is not a de Polignac number, because 25224532433 - 2²⁶ = 25157423569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25224532393 and 25224532402.

It is not a weakly prime, because it can be changed into another prime (25224532439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612266216 + 12612266217.

It is an arithmetic number, because the mean of its divisors is an integer number (12612266217).

Almost surely, 2^25224532433 is an apocalyptic number.

It is an amenable number.

25224532433 is a deficient number, since it is larger than the sum of its proper divisors (1).

25224532433 is an equidigital number, since it uses as much as digits as its factorization.

25224532433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 35.

The spelling of 25224532433 in words is "twenty-five billion, two hundred twenty-four million, five hundred thirty-two thousand, four hundred thirty-three".