997213482 has 36 divisors (see below), whose sum is σ = 2198356134. Its totient is φ = 326612160.

The previous prime is 997213471. The next prime is 997213493. The reversal of 997213482 is 284312799.

997213482 is a `hidden beast` number, since 99 + 72 + 13 + 482 = 666.

It is an interprime number because it is at equal distance from previous prime (997213471) and next prime (997213493).

It can be written as a sum of positive squares in 3 ways, for example, as 505305441 + 491908041 = 22479^2 + 22179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1045918 + ... + 1046870.

Almost surely, 2^997213482 is an apocalyptic number.

997213482 is an abundant number, since it is smaller than the sum of its proper divisors (1201142652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997213482 is an equidigital number, since it uses as much as digits as its factorization.

997213482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1019 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 997213482 is about 31578.6871481384. The cubic root of 997213482 is about 999.0702965861.

The spelling of 997213482 in words is "nine hundred ninety-seven million, two hundred thirteen thousand, four hundred eighty-two".