25533023 has 2 divisors, whose sum is σ = 25533024. Its totient is φ = 25533022.

The previous prime is 25533007. The next prime is 25533073. The reversal of 25533023 is 32033552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25533023 - 2⁴ = 25533007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25533023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25533073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766511 + 12766512.

It is an arithmetic number, because the mean of its divisors is an integer number (12766512).

Almost surely, 2^25533023 is an apocalyptic number.

25533023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25533023 is an equidigital number, since it uses as much as digits as its factorization.

25533023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 25533023 is about 5053.0211754949. The cubic root of 25533023 is about 294.4652689780.

Adding to 25533023 its reverse (32033552), we get a palindrome (57566575).

The spelling of 25533023 in words is "twenty-five million, five hundred thirty-three thousand, twenty-three".