920497933 has 2 divisors, whose sum is σ = 920497934. Its totient is φ = 920497932.

The previous prime is 920497913. The next prime is 920498003. The reversal of 920497933 is 339794029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920090889 + 407044 = 30333^2 + 638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920497933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920497913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460248966 + 460248967.

It is an arithmetic number, because the mean of its divisors is an integer number (460248967).

Almost surely, 2^920497933 is an apocalyptic number.

It is an amenable number.

920497933 is a deficient number, since it is larger than the sum of its proper divisors (1).

920497933 is an equidigital number, since it uses as much as digits as its factorization.

920497933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 920497933 is about 30339.7088483064. The cubic root of 920497933 is about 972.7642598161.

The spelling of 920497933 in words is "nine hundred twenty million, four hundred ninety-seven thousand, nine hundred thirty-three".