25379500 has 48 divisors (see below), whose sum is σ = 55927872. Its totient is φ = 10060800.

The previous prime is 25379489. The next prime is 25379531. The reversal of 25379500 is 597352.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96369 + ... + 96631.

It is an arithmetic number, because the mean of its divisors is an integer number (1165164).

Almost surely, 2^25379500 is an apocalyptic number.

25379500 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 25379500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27963936).

25379500 is an abundant number, since it is smaller than the sum of its proper divisors (30548372).

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

25379500 is a wasteful number, since it uses less digits than its factorization.

25379500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 25379500 is about 5037.8070626017. The cubic root of 25379500 is about 293.8739027633.

The spelling of 25379500 in words is "twenty-five million, three hundred seventy-nine thousand, five hundred".