25623833 has 2 divisors, whose sum is σ = 25623834. Its totient is φ = 25623832.

The previous prime is 25623821. The next prime is 25623853. The reversal of 25623833 is 33832652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24285184 + 1338649 = 4928^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 25623833 - 2¹⁰ = 25622809 is a prime.

It is a super-2 number, since 2×25623833² = 1313161635223778, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25623833.

It is not a weakly prime, because it can be changed into another prime (25623853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12811916 + 12811917.

It is an arithmetic number, because the mean of its divisors is an integer number (12811917).

Almost surely, 2^25623833 is an apocalyptic number.

It is an amenable number.

25623833 is a deficient number, since it is larger than the sum of its proper divisors (1).

25623833 is an equidigital number, since it uses as much as digits as its factorization.

25623833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 25623833 is about 5061.9989134728. The cubic root of 25623833 is about 294.8139514430.

The spelling of 25623833 in words is "twenty-five million, six hundred twenty-three thousand, eight hundred thirty-three".