25132645 has 8 divisors (see below), whose sum is σ = 30205440. Its totient is φ = 20075280.

The previous prime is 25132633. The next prime is 25132663. The reversal of 25132645 is 54623152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25132645 - 2⁷ = 25132517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (3775680).

Almost surely, 2^25132645 is an apocalyptic number.

It is an amenable number.

25132645 is a deficient number, since it is larger than the sum of its proper divisors (5072795).

25132645 is an equidigital number, since it uses as much as digits as its factorization.

25132645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715.

The product of its digits is 7200, while the sum is 28.

The square root of 25132645 is about 5013.2469518267. The cubic root of 25132645 is about 292.9180036680.

Adding to 25132645 its reverse (54623152), we get a palindrome (79755797).

It can be divided in two parts, 251 and 32645, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 25132645 in words is "twenty-five million, one hundred thirty-two thousand, six hundred forty-five".