997463 has 2 divisors, whose sum is σ = 997464. Its totient is φ = 997462.

The previous prime is 997453. The next prime is 997511. The reversal of 997463 is 364799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997463 - 2⁸ = 997207 is a prime.

It is a super-3 number, since 3×997463³ = 2977224878333795541, which contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498731 + 498732.

It is an arithmetic number, because the mean of its divisors is an integer number (498732).

2⁹⁹⁷⁴⁶³ is an apocalyptic number.

997463 is a deficient number, since it is larger than the sum of its proper divisors (1).

997463 is an equidigital number, since it uses as much as digits as its factorization.

997463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 997463 is about 998.7306944317. The cubic root of 997463 is about 99.9153617172.

It can be divided in two parts, 99 and 7463, that multiplied together give a palindrome (738837).

The spelling of 997463 in words is "nine hundred ninety-seven thousand, four hundred sixty-three".