481990937 has 2 divisors, whose sum is σ = 481990938. Its totient is φ = 481990936.

The previous prime is 481990931. The next prime is 481990939. The reversal of 481990937 is 739099184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294328336 + 187662601 = 17156^2 + 13699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481990937 is a prime.

Together with 481990939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481990931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240995468 + 240995469.

It is an arithmetic number, because the mean of its divisors is an integer number (240995469).

Almost surely, 2^481990937 is an apocalyptic number.

It is an amenable number.

481990937 is a deficient number, since it is larger than the sum of its proper divisors (1).

481990937 is an equidigital number, since it uses as much as digits as its factorization.

481990937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 481990937 is about 21954.2919949608. The cubic root of 481990937 is about 784.0545703590.

The spelling of 481990937 in words is "four hundred eighty-one million, nine hundred ninety thousand, nine hundred thirty-seven".