1717997452 has 12 divisors (see below), whose sum is σ = 3007443096. Its totient is φ = 858728000.

The previous prime is 1717997377. The next prime is 1717997467. The reversal of 1717997452 is 2547997171.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1717997452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53053 + ... + 79060.

It is an arithmetic number, because the mean of its divisors is an integer number (250620258).

Almost surely, 2^1717997452 is an apocalyptic number.

It is an amenable number.

1717997452 is a deficient number, since it is larger than the sum of its proper divisors (1289445644).

1717997452 is a wasteful number, since it uses less digits than its factorization.

1717997452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135368 (or 135366 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 52.

The square root of 1717997452 is about 41448.7328153708. The cubic root of 1717997452 is about 1197.6801133655.

The spelling of 1717997452 in words is "one billion, seven hundred seventeen million, nine hundred ninety-seven thousand, four hundred fifty-two".