1097657193 has 8 divisors (see below), whose sum is σ = 1478033856. Its totient is φ = 724526000.

The previous prime is 1097657167. The next prime is 1097657201. The reversal of 1097657193 is 3917567901.

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 1097657193 - 2⁵ = 1097657161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097657123) 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, 1811013 + ... + 1811618.

It is an arithmetic number, because the mean of its divisors is an integer number (184754232).

Almost surely, 2^1097657193 is an apocalyptic number.

It is an amenable number.

1097657193 is a deficient number, since it is larger than the sum of its proper divisors (380376663).

1097657193 is a wasteful number, since it uses less digits than its factorization.

1097657193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622735.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 1097657193 is about 33130.9099331727. The cubic root of 1097657193 is about 1031.5467360440.

The spelling of 1097657193 in words is "one billion, ninety-seven million, six hundred fifty-seven thousand, one hundred ninety-three".