25347533 has 2 divisors, whose sum is σ = 25347534. Its totient is φ = 25347532.

The previous prime is 25347503. The next prime is 25347547. The reversal of 25347533 is 33574352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16662724 + 8684809 = 4082^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 25347533 - 2⁸ = 25347277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25347533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25347503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12673766 + 12673767.

It is an arithmetic number, because the mean of its divisors is an integer number (12673767).

Almost surely, 2^25347533 is an apocalyptic number.

It is an amenable number.

25347533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25347533 is an equidigital number, since it uses as much as digits as its factorization.

25347533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 32.

The square root of 25347533 is about 5034.6333530854. The cubic root of 25347533 is about 293.7504669979.

The spelling of 25347533 in words is "twenty-five million, three hundred forty-seven thousand, five hundred thirty-three".