25471463 has 4 divisors (see below), whose sum is σ = 25830288. Its totient is φ = 25112640.

The previous prime is 25471393. The next prime is 25471469. The reversal of 25471463 is 36417452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25471463 - 2¹⁸ = 25209319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25471469) 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 in 3 ways as a sum of consecutive naturals, for example, 179306 + ... + 179447.

It is an arithmetic number, because the mean of its divisors is an integer number (6457572).

Almost surely, 2^25471463 is an apocalyptic number.

25471463 is a deficient number, since it is larger than the sum of its proper divisors (358825).

25471463 is an equidigital number, since it uses as much as digits as its factorization.

25471463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358824.

The product of its digits is 20160, while the sum is 32.

The square root of 25471463 is about 5046.9260941686. The cubic root of 25471463 is about 294.2284270685.

It can be divided in two parts, 254 and 71463, that added together give a palindrome (71717).

The spelling of 25471463 in words is "twenty-five million, four hundred seventy-one thousand, four hundred sixty-three".