25956533 has 2 divisors, whose sum is σ = 25956534. Its totient is φ = 25956532.

The previous prime is 25956529. The next prime is 25956551. The reversal of 25956533 is 33565952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24373969 + 1582564 = 4937^2 + 1258^2 .

It is a cyclic number.

It is not a de Polignac number, because 25956533 - 2² = 25956529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25956503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12978266 + 12978267.

It is an arithmetic number, because the mean of its divisors is an integer number (12978267).

Almost surely, 2^25956533 is an apocalyptic number.

It is an amenable number.

25956533 is a deficient number, since it is larger than the sum of its proper divisors (1).

25956533 is an equidigital number, since it uses as much as digits as its factorization.

25956533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 38.

The square root of 25956533 is about 5094.7554406468. The cubic root of 25956533 is about 296.0844239647.

The spelling of 25956533 in words is "twenty-five million, nine hundred fifty-six thousand, five hundred thirty-three".