1354598197 has 2 divisors, whose sum is σ = 1354598198. Its totient is φ = 1354598196.

The previous prime is 1354598191. The next prime is 1354598239. The reversal of 1354598197 is 7918954531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033686801 + 320911396 = 32151^2 + 17914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354598197 - 2²³ = 1346209589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354598191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677299098 + 677299099.

It is an arithmetic number, because the mean of its divisors is an integer number (677299099).

Almost surely, 2^1354598197 is an apocalyptic number.

It is an amenable number.

1354598197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354598197 is an equidigital number, since it uses as much as digits as its factorization.

1354598197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 52.

The square root of 1354598197 is about 36804.8664852897. The cubic root of 1354598197 is about 1106.4628352258.

The spelling of 1354598197 in words is "one billion, three hundred fifty-four million, five hundred ninety-eight thousand, one hundred ninety-seven".