25045201 has 4 divisors (see below), whose sum is σ = 25172532. Its totient is φ = 24917872.

The previous prime is 25045193. The next prime is 25045213. The reversal of 25045201 is 10254052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 2235025 = 4776^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 25045201 - 2³ = 25045193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25045901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63370 + ... + 63763.

It is an arithmetic number, because the mean of its divisors is an integer number (6293133).

Almost surely, 2^25045201 is an apocalyptic number.

It is an amenable number.

25045201 is a deficient number, since it is larger than the sum of its proper divisors (127331).

25045201 is a wasteful number, since it uses less digits than its factorization.

25045201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127330.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25045201 is about 5004.5180587145. The cubic root of 25045201 is about 292.5778924218.

Adding to 25045201 its reverse (10254052), we get a palindrome (35299253).

It can be divided in two parts, 250 and 45201, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 25045201 in words is "twenty-five million, forty-five thousand, two hundred one".