25255469 has 2 divisors, whose sum is σ = 25255470. Its totient is φ = 25255468.

The previous prime is 25255463. The next prime is 25255501. The reversal of 25255469 is 96455252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24631369 + 624100 = 4963^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 25255469 - 2⁸ = 25255213 is a prime.

It is a super-2 number, since 2×25255469² = 1275677428819922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25255463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12627734 + 12627735.

It is an arithmetic number, because the mean of its divisors is an integer number (12627735).

Almost surely, 2^25255469 is an apocalyptic number.

It is an amenable number.

25255469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25255469 is an equidigital number, since it uses as much as digits as its factorization.

25255469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The square root of 25255469 is about 5025.4819669361. The cubic root of 25255469 is about 293.3943948583.

The spelling of 25255469 in words is "twenty-five million, two hundred fifty-five thousand, four hundred sixty-nine".