25479343 has 2 divisors, whose sum is σ = 25479344. Its totient is φ = 25479342.

The previous prime is 25479329. The next prime is 25479359. The reversal of 25479343 is 34397452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25479343 is a prime.

It is a super-3 number, since 3×25479343³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25479383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12739671 + 12739672.

It is an arithmetic number, because the mean of its divisors is an integer number (12739672).

Almost surely, 2^25479343 is an apocalyptic number.

25479343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25479343 is an equidigital number, since it uses as much as digits as its factorization.

25479343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 25479343 is about 5047.7067070106. The cubic root of 25479343 is about 294.2587653462.

It can be divided in two parts, 254 and 79343, that added together give a palindrome (79597).

The spelling of 25479343 in words is "twenty-five million, four hundred seventy-nine thousand, three hundred forty-three".