25942620 has 96 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 6012160.

The previous prime is 25942613. The next prime is 25942621. The reversal of 25942620 is 2624952.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25942621) 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, 14326 + ... + 16034.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^25942620 is an apocalyptic number.

25942620 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 25942620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41368320).

25942620 is an abundant number, since it is smaller than the sum of its proper divisors (56794020).

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

25942620 is a wasteful number, since it uses less digits than its factorization.

25942620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 25942620 is about 5093.3898338926. The cubic root of 25942620 is about 296.0315129585.

It can be divided in two parts, 25942 and 620, that added together give a palindrome (26562).

The spelling of 25942620 in words is "twenty-five million, nine hundred forty-two thousand, six hundred twenty".