25152340 has 24 divisors (see below), whose sum is σ = 55117440. Its totient is φ = 9623328.

The previous prime is 25152329. The next prime is 25152343. The reversal of 25152340 is 4325152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26880 + ... + 27799.

It is an arithmetic number, because the mean of its divisors is an integer number (2296560).

Almost surely, 2^25152340 is an apocalyptic number.

25152340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25152340 is an abundant number, since it is smaller than the sum of its proper divisors (29965100).

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

25152340 is a wasteful number, since it uses less digits than its factorization.

25152340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54711 (or 54709 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25152340 is about 5015.2108629648. The cubic root of 25152340 is about 292.9944979883.

Adding to 25152340 its reverse (4325152), we get a palindrome (29477492).

The spelling of 25152340 in words is "twenty-five million, one hundred fifty-two thousand, three hundred forty".