25758533 has 2 divisors, whose sum is σ = 25758534. Its totient is φ = 25758532.

The previous prime is 25758529. The next prime is 25758541. The reversal of 25758533 is 33585752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25623844 + 134689 = 5062^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 25758533 - 2² = 25758529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25758563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12879266 + 12879267.

It is an arithmetic number, because the mean of its divisors is an integer number (12879267).

Almost surely, 2^25758533 is an apocalyptic number.

It is an amenable number.

25758533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25758533 is an equidigital number, since it uses as much as digits as its factorization.

25758533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 25758533 is about 5075.2864943765. The cubic root of 25758533 is about 295.3296439549.

The spelling of 25758533 in words is "twenty-five million, seven hundred fifty-eight thousand, five hundred thirty-three".