25049001 has 16 divisors (see below), whose sum is σ = 35335296. Its totient is φ = 15751296.

The previous prime is 25048999. The next prime is 25049027. The reversal of 25049001 is 10094052.

It is not a de Polignac number, because 25049001 - 2¹ = 25048999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25041001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (2208456).

Almost surely, 2^25049001 is an apocalyptic number.

It is an amenable number.

25049001 is a deficient number, since it is larger than the sum of its proper divisors (10286295).

25049001 is a wasteful number, since it uses less digits than its factorization.

25049001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 25049001 is about 5004.8977012522. The cubic root of 25049001 is about 292.5926888661.

The spelling of 25049001 in words is "twenty-five million, forty-nine thousand, one".