40797533 has 4 divisors (see below), whose sum is σ = 46625760. Its totient is φ = 34969308.

The previous prime is 40797529. The next prime is 40797553. The reversal of 40797533 is 33579704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40797533 - 2² = 40797529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2914103 + ... + 2914116.

It is an arithmetic number, because the mean of its divisors is an integer number (11656440).

Almost surely, 2^40797533 is an apocalyptic number.

It is an amenable number.

40797533 is a deficient number, since it is larger than the sum of its proper divisors (5828227).

40797533 is an equidigital number, since it uses as much as digits as its factorization.

40797533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828226.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 40797533 is about 6387.2946542335. The cubic root of 40797533 is about 344.2531853639.

The spelling of 40797533 in words is "forty million, seven hundred ninety-seven thousand, five hundred thirty-three".