25330501 has 6 divisors (see below), whose sum is σ = 29466150. Its totient is φ = 21711816.

The previous prime is 25330463. The next prime is 25330507. The reversal of 25330501 is 10503352.

It can be written as a sum of positive squares in only one way, i.e., 16769025 + 8561476 = 4095^2 + 2926^2 .

It is not a de Polignac number, because 25330501 - 2⁷ = 25330373 is a prime.

It is a super-2 number, since 2×25330501² = 1283268561822002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258426 + ... + 258523.

It is an arithmetic number, because the mean of its divisors is an integer number (4911025).

Almost surely, 2^25330501 is an apocalyptic number.

It is an amenable number.

25330501 is a deficient number, since it is larger than the sum of its proper divisors (4135649).

25330501 is an equidigital number, since it uses as much as digits as its factorization.

25330501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516963 (or 516956 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 25330501 is about 5032.9415851965. The cubic root of 25330501 is about 293.6846581086.

Adding to 25330501 its reverse (10503352), we get a palindrome (35833853).

The spelling of 25330501 in words is "twenty-five million, three hundred thirty thousand, five hundred one".