25136133 has 16 divisors (see below), whose sum is σ = 37742592. Its totient is φ = 14742000.

The previous prime is 25136131. The next prime is 25136143. The reversal of 25136133 is 33163152.

It is a happy number.

It is not a de Polignac number, because 25136133 - 2¹ = 25136131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25136131) 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 15 ways as a sum of consecutive naturals, for example, 11263 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (2358912).

Almost surely, 2^25136133 is an apocalyptic number.

It is an amenable number.

25136133 is a deficient number, since it is larger than the sum of its proper divisors (12606459).

25136133 is a wasteful number, since it uses less digits than its factorization.

25136133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24616.

The product of its digits is 1620, while the sum is 24.

The square root of 25136133 is about 5013.5948180921. The cubic root of 25136133 is about 292.9315537836.

Adding to 25136133 its reverse (33163152), we get a palindrome (58299285).

It can be divided in two parts, 2513 and 6133, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 25136133 in words is "twenty-five million, one hundred thirty-six thousand, one hundred thirty-three".