40250533 has 2 divisors, whose sum is σ = 40250534. Its totient is φ = 40250532.

The previous prime is 40250527. The next prime is 40250557. The reversal of 40250533 is 33505204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 11068929 = 5402^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 40250533 - 2⁵ = 40250501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40200533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20125266 + 20125267.

It is an arithmetic number, because the mean of its divisors is an integer number (20125267).

Almost surely, 2^40250533 is an apocalyptic number.

It is an amenable number.

40250533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40250533 is an equidigital number, since it uses as much as digits as its factorization.

40250533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 40250533 is about 6344.3307763703. The cubic root of 40250533 is about 342.7077128171.

Adding to 40250533 its reverse (33505204), we get a palindrome (73755737).

The spelling of 40250533 in words is "forty million, two hundred fifty thousand, five hundred thirty-three".