25263039 has 16 divisors (see below), whose sum is σ = 35481600. Its totient is φ = 15957216.

The previous prime is 25263023. The next prime is 25263041. The reversal of 25263039 is 93036252.

It is not a de Polignac number, because 25263039 - 2⁴ = 25263023 is a prime.

It is a super-2 number, since 2×25263039² = 1276442279031042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25262997 and 25263015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25263019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5842 + ... + 9200.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 2^25263039 is an apocalyptic number.

25263039 is a deficient number, since it is larger than the sum of its proper divisors (10218561).

25263039 is a wasteful number, since it uses less digits than its factorization.

25263039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 25263039 is about 5026.2350720992. The cubic root of 25263039 is about 293.4237056543.

It can be divided in two parts, 2526 and 3039, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 25263039 in words is "twenty-five million, two hundred sixty-three thousand, thirty-nine".