25423253 has 2 divisors, whose sum is σ = 25423254. Its totient is φ = 25423252.

The previous prime is 25423247. The next prime is 25423259. The reversal of 25423253 is 35232452.

It is a balanced prime because it is at equal distance from previous prime (25423247) and next prime (25423259).

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 6959044 = 4297^2 + 2638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25423253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25423259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12711626 + 12711627.

It is an arithmetic number, because the mean of its divisors is an integer number (12711627).

Almost surely, 2^25423253 is an apocalyptic number.

It is an amenable number.

25423253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25423253 is an equidigital number, since it uses as much as digits as its factorization.

25423253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 26.

The square root of 25423253 is about 5042.1476574968. The cubic root of 25423253 is about 294.0426804929.

The spelling of 25423253 in words is "twenty-five million, four hundred twenty-three thousand, two hundred fifty-three".