997012471 has 32 divisors (see below), whose sum is σ = 1265989760. Its totient is φ = 764038656.

The previous prime is 997012433. The next prime is 997012477. The reversal of 997012471 is 174210799.

It is a cyclic number.

It is not a de Polignac number, because 997012471 - 2⁷ = 997012343 is a prime.

It is a super-3 number, since 3×997012471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997012477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932125 + ... + 933193.

It is an arithmetic number, because the mean of its divisors is an integer number (39562180).

Almost surely, 2^997012471 is an apocalyptic number.

997012471 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

997012471 is a deficient number, since it is larger than the sum of its proper divisors (268977289).

997012471 is a wasteful number, since it uses less digits than its factorization.

997012471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 997012471 is about 31575.5042873427. The cubic root of 997012471 is about 999.0031636475.

The spelling of 997012471 in words is "nine hundred ninety-seven million, twelve thousand, four hundred seventy-one".