25294434 has 64 divisors (see below), whose sum is σ = 60687360. Its totient is φ = 6937920.

The previous prime is 25294429. The next prime is 25294439. The reversal of 25294434 is 43449252.

It is an interprime number because it is at equal distance from previous prime (25294429) and next prime (25294439).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25294395 and 25294404.

It is not an unprimeable number, because it can be changed into a prime (25294439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28404 + ... + 29280.

It is an arithmetic number, because the mean of its divisors is an integer number (948240).

Almost surely, 2^25294434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25294434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30343680).

25294434 is an abundant number, since it is smaller than the sum of its proper divisors (35392926).

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

25294434 is a wasteful number, since it uses less digits than its factorization.

25294434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its digits is 34560, while the sum is 33.

The square root of 25294434 is about 5029.3572153905. The cubic root of 25294434 is about 293.5452036243.

The spelling of 25294434 in words is "twenty-five million, two hundred ninety-four thousand, four hundred thirty-four".