25375506 has 32 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 7736064.

The previous prime is 25375501. The next prime is 25375529. The reversal of 25375506 is 60557352.

It is not an unprimeable number, because it can be changed into a prime (25375501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7375 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^25375506 is an apocalyptic number.

25375506 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25375506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27578880).

25375506 is an abundant number, since it is smaller than the sum of its proper divisors (29782254).

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

25375506 is a wasteful number, since it uses less digits than its factorization.

25375506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 25375506 is about 5037.4106443688. The cubic root of 25375506 is about 293.8584862008.

The spelling of 25375506 in words is "twenty-five million, three hundred seventy-five thousand, five hundred six".