1997370601 has 8 divisors (see below), whose sum is σ = 2043397440. Its totient is φ = 1951749648.

The previous prime is 1997370587. The next prime is 1997370607. The reversal of 1997370601 is 1060737991.

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 1997370601 - 2¹⁵ = 1997337833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1997370607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91506 + ... + 111211.

It is an arithmetic number, because the mean of its divisors is an integer number (255424680).

Almost surely, 2^1997370601 is an apocalyptic number.

It is an amenable number.

1997370601 is a deficient number, since it is larger than the sum of its proper divisors (46026839).

1997370601 is a wasteful number, since it uses less digits than its factorization.

1997370601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202943.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 1997370601 is about 44691.9523068751. The cubic root of 1997370601 is about 1259.3686685608.

The spelling of 1997370601 in words is "one billion, nine hundred ninety-seven million, three hundred seventy thousand, six hundred one".