25389474 has 48 divisors (see below), whose sum is σ = 57135456. Its totient is φ = 7459200.

The previous prime is 25389461. The next prime is 25389487. The reversal of 25389474 is 47498352.

It is an interprime number because it is at equal distance from previous prime (25389461) and next prime (25389487).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90214 + ... + 90494.

It is an arithmetic number, because the mean of its divisors is an integer number (1190322).

Almost surely, 2^25389474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25389474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28567728).

25389474 is an abundant number, since it is smaller than the sum of its proper divisors (31745982).

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

25389474 is a wasteful number, since it uses less digits than its factorization.

25389474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 334 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 25389474 is about 5038.7968802086. The cubic root of 25389474 is about 293.9123946488.

The spelling of 25389474 in words is "twenty-five million, three hundred eighty-nine thousand, four hundred seventy-four".