40010533 has 2 divisors, whose sum is σ = 40010534. Its totient is φ = 40010532.

The previous prime is 40010483. The next prime is 40010543. The reversal of 40010533 is 33501004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39967684 + 42849 = 6322^2 + 207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40010533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40010543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005266 + 20005267.

It is an arithmetic number, because the mean of its divisors is an integer number (20005267).

Almost surely, 2^40010533 is an apocalyptic number.

It is an amenable number.

40010533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010533 is an equidigital number, since it uses as much as digits as its factorization.

40010533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40010533 is about 6325.3879722907. The cubic root of 40010533 is about 342.0252053286.

Adding to 40010533 its reverse (33501004), we get a palindrome (73511537).

The spelling of 40010533 in words is "forty million, ten thousand, five hundred thirty-three".