25750783 has 4 divisors (see below), whose sum is σ = 26298720. Its totient is φ = 25202848.

The previous prime is 25750771. The next prime is 25750787. The reversal of 25750783 is 38705752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25750783 is a prime.

It is a super-2 number, since 2×25750783² = 1326205650226178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25750787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273898 + ... + 273991.

It is an arithmetic number, because the mean of its divisors is an integer number (6574680).

Almost surely, 2^25750783 is an apocalyptic number.

25750783 is a deficient number, since it is larger than the sum of its proper divisors (547937).

25750783 is an equidigital number, since it uses as much as digits as its factorization.

25750783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547936.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 25750783 is about 5074.5229332421. The cubic root of 25750783 is about 295.3000222586.

It can be divided in two parts, 257 and 50783, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 25750783 in words is "twenty-five million, seven hundred fifty thousand, seven hundred eighty-three".