25132146 has 32 divisors (see below), whose sum is σ = 56488320. Its totient is φ = 7396224.

The previous prime is 25132141. The next prime is 25132181. The reversal of 25132146 is 64123152.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25132141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (1765260).

Almost surely, 2^25132146 is an apocalyptic number.

25132146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25132146 is an abundant number, since it is smaller than the sum of its proper divisors (31356174).

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

25132146 is a wasteful number, since it uses less digits than its factorization.

25132146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14050.

The product of its digits is 1440, while the sum is 24.

The square root of 25132146 is about 5013.1971834349. The cubic root of 25132146 is about 292.9160650599.

Adding to 25132146 its reverse (64123152), we get a palindrome (89255298).

The spelling of 25132146 in words is "twenty-five million, one hundred thirty-two thousand, one hundred forty-six".