996791501 has 4 divisors (see below), whose sum is σ = 997643904. Its totient is φ = 995939100.

The previous prime is 996791479. The next prime is 996791513. The reversal of 996791501 is 105197699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 996791501 - 2¹⁸ = 996529357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996791561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424445 + ... + 426786.

It is an arithmetic number, because the mean of its divisors is an integer number (249410976).

Almost surely, 2^996791501 is an apocalyptic number.

It is an amenable number.

996791501 is a deficient number, since it is larger than the sum of its proper divisors (852403).

996791501 is a wasteful number, since it uses less digits than its factorization.

996791501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852402.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 996791501 is about 31572.0050202707. The cubic root of 996791501 is about 998.9293544605.

The spelling of 996791501 in words is "nine hundred ninety-six million, seven hundred ninety-one thousand, five hundred one".