25128114 has 16 divisors (see below), whose sum is σ = 54825120. Its totient is φ = 7614560.

The previous prime is 25128109. The next prime is 25128119. The reversal of 25128114 is 41182152.

It is an interprime number because it is at equal distance from previous prime (25128109) and next prime (25128119).

It is a super-2 number, since 2×25128114² = 1262844226393992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25128119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190299 + ... + 190430.

It is an arithmetic number, because the mean of its divisors is an integer number (3426570).

Almost surely, 2^25128114 is an apocalyptic number.

25128114 is an abundant number, since it is smaller than the sum of its proper divisors (29697006).

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

25128114 is a wasteful number, since it uses less digits than its factorization.

25128114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380745.

The product of its digits is 640, while the sum is 24.

The square root of 25128114 is about 5012.7950287240. The cubic root of 25128114 is about 292.9003998538.

The spelling of 25128114 in words is "twenty-five million, one hundred twenty-eight thousand, one hundred fourteen".