25270769 has 2 divisors, whose sum is σ = 25270770. Its totient is φ = 25270768.

The previous prime is 25270759. The next prime is 25270787. The reversal of 25270769 is 96707252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24880144 + 390625 = 4988^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 25270769 - 2⁴ = 25270753 is a prime.

It is a super-2 number, since 2×25270769² = 1277223531702722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (25270709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12635384 + 12635385.

It is an arithmetic number, because the mean of its divisors is an integer number (12635385).

Almost surely, 2^25270769 is an apocalyptic number.

It is an amenable number.

25270769 is a deficient number, since it is larger than the sum of its proper divisors (1).

25270769 is an equidigital number, since it uses as much as digits as its factorization.

25270769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 25270769 is about 5027.0039785144. The cubic root of 25270769 is about 293.4536299236.

The spelling of 25270769 in words is "twenty-five million, two hundred seventy thousand, seven hundred sixty-nine".