25364398 has 4 divisors (see below), whose sum is σ = 38046600. Its totient is φ = 12682198.

The previous prime is 25364393. The next prime is 25364399. The reversal of 25364398 is 89346352.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 25364398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25364393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6341098 + ... + 6341101.

It is an arithmetic number, because the mean of its divisors is an integer number (9511650).

Almost surely, 2^25364398 is an apocalyptic number.

25364398 is a deficient number, since it is larger than the sum of its proper divisors (12682202).

25364398 is a wasteful number, since it uses less digits than its factorization.

25364398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682201.

The product of its digits is 155520, while the sum is 40.

The square root of 25364398 is about 5036.3079731089. The cubic root of 25364398 is about 293.8156015851.

The spelling of 25364398 in words is "twenty-five million, three hundred sixty-four thousand, three hundred ninety-eight".