997481105 has 8 divisors (see below), whose sum is σ = 1224814272. Its totient is φ = 779426928.

The previous prime is 997481099. The next prime is 997481119. The reversal of 997481105 is 501184799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 997481105 - 2⁸ = 997480849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319509 + ... + 2319938.

It is an arithmetic number, because the mean of its divisors is an integer number (153101784).

Almost surely, 2^997481105 is an apocalyptic number.

It is an amenable number.

997481105 is a deficient number, since it is larger than the sum of its proper divisors (227333167).

997481105 is a wasteful number, since it uses less digits than its factorization.

997481105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639495.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 997481105 is about 31582.9242629621. The cubic root of 997481105 is about 999.1596623638.

The spelling of 997481105 in words is "nine hundred ninety-seven million, four hundred eighty-one thousand, one hundred five".