25340193 has 24 divisors (see below), whose sum is σ = 37653096. Its totient is φ = 16416000.

The previous prime is 25340177. The next prime is 25340197. The reversal of 25340193 is 39104352.

25340193 is a `hidden beast` number, since 253 + 401 + 9 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7800849 + 17539344 = 2793^2 + 4188^2 .

It is not a de Polignac number, because 25340193 - 2⁴ = 25340177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25340197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55221 + ... + 55677.

It is an arithmetic number, because the mean of its divisors is an integer number (1568879).

Almost surely, 2^25340193 is an apocalyptic number.

It is an amenable number.

25340193 is a deficient number, since it is larger than the sum of its proper divisors (12312903).

25340193 is a wasteful number, since it uses less digits than its factorization.

25340193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 25340193 is about 5033.9043495084. The cubic root of 25340193 is about 293.7221100426.

The spelling of 25340193 in words is "twenty-five million, three hundred forty thousand, one hundred ninety-three".