25540262 has 32 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 11250400.

The previous prime is 25540261. The next prime is 25540283. The reversal of 25540262 is 26204552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25540261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129548 + ... + 129744.

It is an arithmetic number, because the mean of its divisors is an integer number (1347192).

Almost surely, 2^25540262 is an apocalyptic number.

25540262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25540262 is a deficient number, since it is larger than the sum of its proper divisors (17569882).

25540262 is a wasteful number, since it uses less digits than its factorization.

25540262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 25540262 is about 5053.7374288738. The cubic root of 25540262 is about 294.4930948078.

The spelling of 25540262 in words is "twenty-five million, five hundred forty thousand, two hundred sixty-two".