25145035 has 4 divisors (see below), whose sum is σ = 30174048. Its totient is φ = 20116024.

The previous prime is 25145027. The next prime is 25145039. The reversal of 25145035 is 53054152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25145035 - 2³ = 25145027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25145039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514499 + ... + 2514508.

It is an arithmetic number, because the mean of its divisors is an integer number (7543512).

Almost surely, 2^25145035 is an apocalyptic number.

25145035 is a deficient number, since it is larger than the sum of its proper divisors (5029013).

25145035 is an equidigital number, since it uses as much as digits as its factorization.

25145035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029012.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25145035 is about 5014.4825256451. The cubic root of 25145035 is about 292.9661304216.

Adding to 25145035 its reverse (53054152), we get a palindrome (78199187).

The spelling of 25145035 in words is "twenty-five million, one hundred forty-five thousand, thirty-five".