25004034 has 48 divisors (see below), whose sum is σ = 59439744. Its totient is φ = 7533600.

The previous prime is 25004017. The next prime is 25004039. The reversal of 25004034 is 43040052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25003998 and 25004016.

It is not an unprimeable number, because it can be changed into a prime (25004039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57799 + ... + 58229.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^25004034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25004034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29719872).

25004034 is an abundant number, since it is smaller than the sum of its proper divisors (34435710).

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

25004034 is a wasteful number, since it uses less digits than its factorization.

25004034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25004034 is about 5000.4033837282. The cubic root of 25004034 is about 292.4175002922.

Adding to 25004034 its reverse (43040052), we get a palindrome (68044086).

The spelling of 25004034 in words is "twenty-five million, four thousand, thirty-four".