25250010 has 32 divisors (see below), whose sum is σ = 62691840. Its totient is φ = 6500928.

The previous prime is 25250003. The next prime is 25250033. The reversal of 25250010 is 1005252.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 13642 + ... + 15381.

It is an arithmetic number, because the mean of its divisors is an integer number (1959120).

Almost surely, 2^25250010 is an apocalyptic number.

25250010 is an abundant number, since it is smaller than the sum of its proper divisors (37441830).

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

25250010 is a wasteful number, since it uses less digits than its factorization.

25250010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29062.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 25250010 is about 5024.9388055975. The cubic root of 25250010 is about 293.3732541513.

Adding to 25250010 its reverse (1005252), we get a palindrome (26255262).

The spelling of 25250010 in words is "twenty-five million, two hundred fifty thousand, ten".