25340494 has 4 divisors (see below), whose sum is σ = 38010744. Its totient is φ = 12670246.

The previous prime is 25340477. The next prime is 25340507. The reversal of 25340494 is 49404352.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6335122 + ... + 6335125.

It is an arithmetic number, because the mean of its divisors is an integer number (9502686).

Almost surely, 2^25340494 is an apocalyptic number.

25340494 is a deficient number, since it is larger than the sum of its proper divisors (12670250).

25340494 is a wasteful number, since it uses less digits than its factorization.

25340494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670249.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 25340494 is about 5033.9342466902. The cubic root of 25340494 is about 293.7232730172.

The spelling of 25340494 in words is "twenty-five million, three hundred forty thousand, four hundred ninety-four".