25340000 has 120 divisors (see below), whose sum is σ = 71639568. Its totient is φ = 8640000.

The previous prime is 25339999. The next prime is 25340011. The reversal of 25340000 is 4352.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 139910 + ... + 140090.

Almost surely, 2^25340000 is an apocalyptic number.

25340000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35819784).

25340000 is an abundant number, since it is smaller than the sum of its proper divisors (46299568).

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

25340000 is an equidigital number, since it uses as much as digits as its factorization.

25340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 25340000 is about 5033.8851794613. The cubic root of 25340000 is about 293.7213643430.

Adding to 25340000 its reverse (4352), we get a palindrome (25344352).

The spelling of 25340000 in words is "twenty-five million, three hundred forty thousand".