25484142 has 16 divisors (see below), whose sum is σ = 51189840. Its totient is φ = 8457792.

The previous prime is 25484141. The next prime is 25484143. The reversal of 25484142 is 24148452.

It is an interprime number because it is at equal distance from previous prime (25484141) and next prime (25484143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25484141) 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, 7717 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (3199365).

Almost surely, 2^25484142 is an apocalyptic number.

25484142 is an abundant number, since it is smaller than the sum of its proper divisors (25705698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25484142 is a wasteful number, since it uses less digits than its factorization.

25484142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467.

The product of its digits is 10240, while the sum is 30.

The square root of 25484142 is about 5048.1820490153. The cubic root of 25484142 is about 294.2772386007.

The spelling of 25484142 in words is "twenty-five million, four hundred eighty-four thousand, one hundred forty-two".