996519437 has 2 divisors, whose sum is σ = 996519438. Its totient is φ = 996519436.

The previous prime is 996519347. The next prime is 996519439. The reversal of 996519437 is 734915699.

It is a happy number.

Together with previous prime (996519347) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 851822596 + 144696841 = 29186^2 + 12029^2 .

It is a cyclic number.

It is not a de Polignac number, because 996519437 - 2¹² = 996515341 is a prime.

Together with 996519439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996519439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498259718 + 498259719.

It is an arithmetic number, because the mean of its divisors is an integer number (498259719).

Almost surely, 2^996519437 is an apocalyptic number.

It is an amenable number.

996519437 is a deficient number, since it is larger than the sum of its proper divisors (1).

996519437 is an equidigital number, since it uses as much as digits as its factorization.

996519437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 996519437 is about 31567.6960990187. The cubic root of 996519437 is about 998.8384636891.

The spelling of 996519437 in words is "nine hundred ninety-six million, five hundred nineteen thousand, four hundred thirty-seven".