25342501 has 2 divisors, whose sum is σ = 25342502. Its totient is φ = 25342500.

The previous prime is 25342463. The next prime is 25342519. The reversal of 25342501 is 10524352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24700900 + 641601 = 4970^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 25342501 - 2⁹ = 25341989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25342591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671250 + 12671251.

It is an arithmetic number, because the mean of its divisors is an integer number (12671251).

Almost surely, 2^25342501 is an apocalyptic number.

It is an amenable number.

25342501 is a deficient number, since it is larger than the sum of its proper divisors (1).

25342501 is an equidigital number, since it uses as much as digits as its factorization.

25342501 is an evil number, because the sum of its binary digits is even.

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

The square root of 25342501 is about 5034.1335898047. The cubic root of 25342501 is about 293.7310272339.

Adding to 25342501 its reverse (10524352), we get a palindrome (35866853).

The spelling of 25342501 in words is "twenty-five million, three hundred forty-two thousand, five hundred one".