40604533 has 2 divisors, whose sum is σ = 40604534. Its totient is φ = 40604532.

The previous prime is 40604527. The next prime is 40604537. The reversal of 40604533 is 33540604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32182929 + 8421604 = 5673^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 40604533 - 2⁹ = 40604021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40604498 and 40604507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40604537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20302266 + 20302267.

It is an arithmetic number, because the mean of its divisors is an integer number (20302267).

Almost surely, 2^40604533 is an apocalyptic number.

It is an amenable number.

40604533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40604533 is an equidigital number, since it uses as much as digits as its factorization.

40604533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40604533 is about 6372.1686261429. The cubic root of 40604533 is about 343.7094767437.

The spelling of 40604533 in words is "forty million, six hundred four thousand, five hundred thirty-three".