25024340 has 48 divisors (see below), whose sum is σ = 60709824. Its totient is φ = 8563200.

The previous prime is 25024331. The next prime is 25024343. The reversal of 25024340 is 4342052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25024343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (1264788).

Almost surely, 2^25024340 is an apocalyptic number.

25024340 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 25024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30354912).

25024340 is an abundant number, since it is smaller than the sum of its proper divisors (35685484).

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

25024340 is a wasteful number, since it uses less digits than its factorization.

25024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728 (or 6726 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 25024340 is about 5002.4334078526. The cubic root of 25024340 is about 292.4966371640.

Adding to 25024340 its reverse (4342052), we get a palindrome (29366392).

The spelling of 25024340 in words is "twenty-five million, twenty-four thousand, three hundred forty".