996481501 has 2 divisors, whose sum is σ = 996481502. Its totient is φ = 996481500.

The previous prime is 996481459. The next prime is 996481529. The reversal of 996481501 is 105184699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939116025 + 57365476 = 30645^2 + 7574^2 .

It is an emirp because it is prime and its reverse (105184699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996481501 - 2¹⁷ = 996350429 is a prime.

It is equal to p_50677738 and since 996481501 and 50677738 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996481561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498240750 + 498240751.

It is an arithmetic number, because the mean of its divisors is an integer number (498240751).

Almost surely, 2^996481501 is an apocalyptic number.

It is an amenable number.

996481501 is a deficient number, since it is larger than the sum of its proper divisors (1).

996481501 is an equidigital number, since it uses as much as digits as its factorization.

996481501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 996481501 is about 31567.0952258835. The cubic root of 996481501 is about 998.8257887676.

The spelling of 996481501 in words is "nine hundred ninety-six million, four hundred eighty-one thousand, five hundred one".