25770943 has 12 divisors (see below), whose sum is σ = 28452424. Its totient is φ = 23324400.

The previous prime is 25770931. The next prime is 25770959. The reversal of 25770943 is 34907752.

It is not a de Polignac number, because 25770943 - 2⁹ = 25770431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25770343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44848 + ... + 45418.

Almost surely, 2^25770943 is an apocalyptic number.

25770943 is a deficient number, since it is larger than the sum of its proper divisors (2681481).

25770943 is a wasteful number, since it uses less digits than its factorization.

25770943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 25770943 is about 5076.5089382370. The cubic root of 25770943 is about 295.3770645185.

It can be divided in two parts, 257709 and 43, that added together give a palindrome (257752).

The spelling of 25770943 in words is "twenty-five million, seven hundred seventy thousand, nine hundred forty-three".