25489783 has 8 divisors (see below), whose sum is σ = 29442960. Its totient is φ = 21809280.

The previous prime is 25489733. The next prime is 25489813. The reversal of 25489783 is 38798452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25489783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25489733) 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, 67968 + ... + 68341.

It is an arithmetic number, because the mean of its divisors is an integer number (3680370).

Almost surely, 2^25489783 is an apocalyptic number.

25489783 is a deficient number, since it is larger than the sum of its proper divisors (3953177).

25489783 is a wasteful number, since it uses less digits than its factorization.

25489783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136337.

The product of its digits is 483840, while the sum is 46.

The square root of 25489783 is about 5048.7407340841. The cubic root of 25489783 is about 294.2989500822.

The spelling of 25489783 in words is "twenty-five million, four hundred eighty-nine thousand, seven hundred eighty-three".