25128063 has 10 divisors (see below), whose sum is σ = 37537104. Its totient is φ = 16751988.

The previous prime is 25128031. The next prime is 25128067. The reversal of 25128063 is 36082152.

It is not a de Polignac number, because 25128063 - 2⁵ = 25128031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25128067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 155031 + ... + 155192.

Almost surely, 2^25128063 is an apocalyptic number.

25128063 is a deficient number, since it is larger than the sum of its proper divisors (12409041).

25128063 is an equidigital number, since it uses as much as digits as its factorization.

25128063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310235 (or 310226 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25128063 is about 5012.7899417390. The cubic root of 25128063 is about 292.9002016968.

The spelling of 25128063 in words is "twenty-five million, one hundred twenty-eight thousand, sixty-three".