997461433 has 2 divisors, whose sum is σ = 997461434. Its totient is φ = 997461432.

The previous prime is 997461419. The next prime is 997461473. The reversal of 997461433 is 334164799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881080489 + 116380944 = 29683^2 + 10788^2 .

It is a cyclic number.

It is not a de Polignac number, because 997461433 - 2²⁵ = 963907001 is a prime.

It is not a weakly prime, because it can be changed into another prime (997461473) 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, 498730716 + 498730717.

It is an arithmetic number, because the mean of its divisors is an integer number (498730717).

Almost surely, 2^997461433 is an apocalyptic number.

It is an amenable number.

997461433 is a deficient number, since it is larger than the sum of its proper divisors (1).

997461433 is an equidigital number, since it uses as much as digits as its factorization.

997461433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 997461433 is about 31582.6128273137. The cubic root of 997461433 is about 999.1530939526.

The spelling of 997461433 in words is "nine hundred ninety-seven million, four hundred sixty-one thousand, four hundred thirty-three".