25340679 has 24 divisors (see below), whose sum is σ = 45051552. Its totient is φ = 13366080.

The previous prime is 25340639. The next prime is 25340683. The reversal of 25340679 is 97604352.

It is not a de Polignac number, because 25340679 - 2⁷ = 25340551 is a prime.

It is a super-4 number, since 4×25340679⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14652 + ... + 16289.

It is an arithmetic number, because the mean of its divisors is an integer number (1877148).

Almost surely, 2^25340679 is an apocalyptic number.

25340679 is a deficient number, since it is larger than the sum of its proper divisors (19710873).

25340679 is a wasteful number, since it uses less digits than its factorization.

25340679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30967 (or 30964 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 25340679 is about 5033.9526219463. The cubic root of 25340679 is about 293.7239877977.

The spelling of 25340679 in words is "twenty-five million, three hundred forty thousand, six hundred seventy-nine".