25072783 has 8 divisors (see below), whose sum is σ = 26496000. Its totient is φ = 23677368.

The previous prime is 25072777. The next prime is 25072793. The reversal of 25072783 is 38727052.

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-25072783 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25072703) 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, 5083 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (3312000).

Almost surely, 2^25072783 is an apocalyptic number.

25072783 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25072783 is the 2677-th centered heptagonal number.

25072783 is a deficient number, since it is larger than the sum of its proper divisors (1423217).

25072783 is a wasteful number, since it uses less digits than its factorization.

25072783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 25072783 is about 5007.2730103321. The cubic root of 25072783 is about 292.6852572727.

The spelling of 25072783 in words is "twenty-five million, seventy-two thousand, seven hundred eighty-three".