25241537 has 2 divisors, whose sum is σ = 25241538. Its totient is φ = 25241536.

The previous prime is 25241521. The next prime is 25241543. The reversal of 25241537 is 73514252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 961 = 5024^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241537 - 2⁴ = 25241521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25241737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12620768 + 12620769.

It is an arithmetic number, because the mean of its divisors is an integer number (12620769).

Almost surely, 2^25241537 is an apocalyptic number.

It is an amenable number.

25241537 is a deficient number, since it is larger than the sum of its proper divisors (1).

25241537 is an equidigital number, since it uses as much as digits as its factorization.

25241537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 25241537 is about 5024.0956400132. The cubic root of 25241537 is about 293.3404352906.

Adding to 25241537 its reverse (73514252), we get a palindrome (98755789).

The spelling of 25241537 in words is "twenty-five million, two hundred forty-one thousand, five hundred thirty-seven".