25471469 has 2 divisors, whose sum is σ = 25471470. Its totient is φ = 25471468.

The previous prime is 25471393. The next prime is 25471487. The reversal of 25471469 is 96417452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 170569 = 5030^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 25471469 - 2⁸ = 25471213 is a prime.

It is a super-2 number, since 2×25471469² = 1297591466035922, 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 (25471489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12735734 + 12735735.

It is an arithmetic number, because the mean of its divisors is an integer number (12735735).

Almost surely, 2^25471469 is an apocalyptic number.

It is an amenable number.

25471469 is a deficient number, since it is larger than the sum of its proper divisors (1).

25471469 is an equidigital number, since it uses as much as digits as its factorization.

25471469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 25471469 is about 5046.9266885898. The cubic root of 25471469 is about 294.2284501711.

The spelling of 25471469 in words is "twenty-five million, four hundred seventy-one thousand, four hundred sixty-nine".