197250743 has 2 divisors, whose sum is σ = 197250744. Its totient is φ = 197250742.

The previous prime is 197250727. The next prime is 197250749. The reversal of 197250743 is 347052791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197250743 - 2⁴ = 197250727 is a prime.

It is a super-2 number, since 2×197250743² = 77815711228104098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 197250697 and 197250706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197250749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98625371 + 98625372.

It is an arithmetic number, because the mean of its divisors is an integer number (98625372).

Almost surely, 2^197250743 is an apocalyptic number.

197250743 is a deficient number, since it is larger than the sum of its proper divisors (1).

197250743 is an equidigital number, since it uses as much as digits as its factorization.

197250743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 197250743 is about 14044.5983566637. The cubic root of 197250743 is about 582.1115492975. Note that the first 3 decimals are identical.

The spelling of 197250743 in words is "one hundred ninety-seven million, two hundred fifty thousand, seven hundred forty-three".