25042620 has 24 divisors (see below), whose sum is σ = 70119504. Its totient is φ = 6678016.

The previous prime is 25042613. The next prime is 25042621. The reversal of 25042620 is 2624052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25042621) 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, 208629 + ... + 208748.

It is an arithmetic number, because the mean of its divisors is an integer number (2921646).

Almost surely, 2^25042620 is an apocalyptic number.

25042620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25042620 is an abundant number, since it is smaller than the sum of its proper divisors (45076884).

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

25042620 is a wasteful number, since it uses less digits than its factorization.

25042620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417389 (or 417387 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25042620 is about 5004.2601850823. The cubic root of 25042620 is about 292.5678416675.

Adding to 25042620 its reverse (2624052), we get a palindrome (27666672).

The spelling of 25042620 in words is "twenty-five million, forty-two thousand, six hundred twenty".