983253811 has 2 divisors, whose sum is σ = 983253812. Its totient is φ = 983253810.

The previous prime is 983253757. The next prime is 983253823. The reversal of 983253811 is 118352389.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 983253811 - 2¹³ = 983245619 is a prime.

It is equal to p_50038789 and since 983253811 and 50038789 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (983253851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491626905 + 491626906.

It is an arithmetic number, because the mean of its divisors is an integer number (491626906).

Almost surely, 2^983253811 is an apocalyptic number.

983253811 is a deficient number, since it is larger than the sum of its proper divisors (1).

983253811 is an equidigital number, since it uses as much as digits as its factorization.

983253811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 983253811 is about 31356.8782087758. The cubic root of 983253811 is about 994.3864844062.

It can be divided in two parts, 983253 and 811, that added together give a square (984064 = 992²).

The spelling of 983253811 in words is "nine hundred eighty-three million, two hundred fifty-three thousand, eight hundred eleven".