25272045 has 24 divisors (see below), whose sum is σ = 43939896. Its totient is φ = 13436928.

The previous prime is 25272019. The next prime is 25272053. The reversal of 25272045 is 54027252.

It can be written as a sum of positive squares in 4 ways, for example, as 5076009 + 20196036 = 2253^2 + 4494^2 .

It is not a de Polignac number, because 25272045 - 2¹¹ = 25269997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18837 + ... + 20133.

It is an arithmetic number, because the mean of its divisors is an integer number (1830829).

Almost surely, 2^25272045 is an apocalyptic number.

It is an amenable number.

25272045 is a deficient number, since it is larger than the sum of its proper divisors (18667851).

25272045 is a wasteful number, since it uses less digits than its factorization.

25272045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25272045 is about 5027.1308914728. The cubic root of 25272045 is about 293.4585689704.

Adding to 25272045 its reverse (54027252), we get a palindrome (79299297).

The spelling of 25272045 in words is "twenty-five million, two hundred seventy-two thousand, forty-five".