25244620 has 12 divisors (see below), whose sum is σ = 53013744. Its totient is φ = 10097840.

The previous prime is 25244591. The next prime is 25244621. The reversal of 25244620 is 2644252.

It is not an unprimeable number, because it can be changed into a prime (25244621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631096 + ... + 631135.

It is an arithmetic number, because the mean of its divisors is an integer number (4417812).

Almost surely, 2^25244620 is an apocalyptic number.

25244620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25244620 is an abundant number, since it is smaller than the sum of its proper divisors (27769124).

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

25244620 is a wasteful number, since it uses less digits than its factorization.

25244620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262240 (or 1262238 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 25244620 is about 5024.4024520335. The cubic root of 25244620 is about 293.3523776662.

Adding to 25244620 its reverse (2644252), we get a palindrome (27888872).

The spelling of 25244620 in words is "twenty-five million, two hundred forty-four thousand, six hundred twenty".