25540383 has 8 divisors (see below), whose sum is σ = 37149696. Its totient is φ = 15479000.

The previous prime is 25540381. The next prime is 25540393. The reversal of 25540383 is 38304552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25540383 - 2¹ = 25540381 is a prime.

It is a super-2 number, since 2×25540383² = 1304622327573378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25540383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25540381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386943 + ... + 387008.

It is an arithmetic number, because the mean of its divisors is an integer number (4643712).

Almost surely, 2^25540383 is an apocalyptic number.

25540383 is a deficient number, since it is larger than the sum of its proper divisors (11609313).

25540383 is a wasteful number, since it uses less digits than its factorization.

25540383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773965.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 25540383 is about 5053.7494001978. The cubic root of 25540383 is about 294.4935598724.

The spelling of 25540383 in words is "twenty-five million, five hundred forty thousand, three hundred eighty-three".