1097418497 has 4 divisors (see below), whose sum is σ = 1254192576. Its totient is φ = 940644420.

The previous prime is 1097418479. The next prime is 1097418499. The reversal of 1097418497 is 7948147901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1097418497 - 2⁶ = 1097418433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1097418499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78387029 + ... + 78387042.

It is an arithmetic number, because the mean of its divisors is an integer number (313548144).

Almost surely, 2^1097418497 is an apocalyptic number.

It is an amenable number.

1097418497 is a deficient number, since it is larger than the sum of its proper divisors (156774079).

1097418497 is an equidigital number, since it uses as much as digits as its factorization.

1097418497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156774078.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 1097418497 is about 33127.3074215216. The cubic root of 1097418497 is about 1031.4719574059.

The spelling of 1097418497 in words is "one billion, ninety-seven million, four hundred eighteen thousand, four hundred ninety-seven".