25379430 has 16 divisors (see below), whose sum is σ = 60910704. Its totient is φ = 6767840.

The previous prime is 25379423. The next prime is 25379443. The reversal of 25379430 is 3497352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25379391 and 25379400.

It is a congruent number.

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, 422961 + ... + 423020.

It is an arithmetic number, because the mean of its divisors is an integer number (3806919).

Almost surely, 2^25379430 is an apocalyptic number.

25379430 is an abundant number, since it is smaller than the sum of its proper divisors (35531274).

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

25379430 is a wasteful number, since it uses less digits than its factorization.

25379430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845991.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 25379430 is about 5037.8001151296. The cubic root of 25379430 is about 293.8736325821.

The spelling of 25379430 in words is "twenty-five million, three hundred seventy-nine thousand, four hundred thirty".