25413420 has 24 divisors (see below), whose sum is σ = 71157744. Its totient is φ = 6776896.

The previous prime is 25413407. The next prime is 25413439. The reversal of 25413420 is 2431452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211719 + ... + 211838.

It is an arithmetic number, because the mean of its divisors is an integer number (2964906).

Almost surely, 2^25413420 is an apocalyptic number.

25413420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25413420 is an abundant number, since it is smaller than the sum of its proper divisors (45744324).

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

25413420 is a wasteful number, since it uses less digits than its factorization.

25413420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423569 (or 423567 counting only the distinct ones).

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

The square root of 25413420 is about 5041.1724826671. The cubic root of 25413420 is about 294.0047664552.

Adding to 25413420 its reverse (2431452), we get a palindrome (27844872).

The spelling of 25413420 in words is "twenty-five million, four hundred thirteen thousand, four hundred twenty".