816250037 has 8 divisors (see below), whose sum is σ = 864035040. Its totient is φ = 769774320.

The previous prime is 816250021. The next prime is 816250063. The reversal of 816250037 is 730052618.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 816250037 - 2⁴ = 816250021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 816249985 and 816250012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816253037) 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 in 7 ways as a sum of consecutive naturals, for example, 326039 + ... + 328532.

It is an arithmetic number, because the mean of its divisors is an integer number (108004380).

Almost surely, 2^816250037 is an apocalyptic number.

It is an amenable number.

816250037 is a deficient number, since it is larger than the sum of its proper divisors (47785003).

816250037 is a wasteful number, since it uses less digits than its factorization.

816250037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654643.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 816250037 is about 28570.0899018537. The cubic root of 816250037 is about 934.5611815987.

The spelling of 816250037 in words is "eight hundred sixteen million, two hundred fifty thousand, thirty-seven".