25324501 has 2 divisors, whose sum is σ = 25324502. Its totient is φ = 25324500.

The previous prime is 25324457. The next prime is 25324529. The reversal of 25324501 is 10542352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 3478225 = 4674^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 25324501 - 2¹³ = 25316309 is a prime.

It is a super-3 number, since 3×25324501³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25324531) 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 as a sum of consecutive naturals, namely, 12662250 + 12662251.

It is an arithmetic number, because the mean of its divisors is an integer number (12662251).

Almost surely, 2^25324501 is an apocalyptic number.

It is an amenable number.

25324501 is a deficient number, since it is larger than the sum of its proper divisors (1).

25324501 is an equidigital number, since it uses as much as digits as its factorization.

25324501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25324501 is about 5032.3454770117. The cubic root of 25324501 is about 293.6614680541.

Adding to 25324501 its reverse (10542352), we get a palindrome (35866853).

The spelling of 25324501 in words is "twenty-five million, three hundred twenty-four thousand, five hundred one".