25287023 has 2 divisors, whose sum is σ = 25287024. Its totient is φ = 25287022.

The previous prime is 25287011. The next prime is 25287047. The reversal of 25287023 is 32078252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25287023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25287083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12643511 + 12643512.

It is an arithmetic number, because the mean of its divisors is an integer number (12643512).

Almost surely, 2^25287023 is an apocalyptic number.

25287023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25287023 is an equidigital number, since it uses as much as digits as its factorization.

25287023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25287023 is about 5028.6203873428. The cubic root of 25287023 is about 293.5165322837.

The spelling of 25287023 in words is "twenty-five million, two hundred eighty-seven thousand, twenty-three".