196593451 has 2 divisors, whose sum is σ = 196593452. Its totient is φ = 196593450.

The previous prime is 196593421. The next prime is 196593473. The reversal of 196593451 is 154395691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196593451 - 2¹⁹ = 196069163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196593398 and 196593407.

It is not a weakly prime, because it can be changed into another prime (196593421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98296725 + 98296726.

It is an arithmetic number, because the mean of its divisors is an integer number (98296726).

Almost surely, 2^196593451 is an apocalyptic number.

196593451 is a deficient number, since it is larger than the sum of its proper divisors (1).

196593451 is an equidigital number, since it uses as much as digits as its factorization.

196593451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 43.

The square root of 196593451 is about 14021.1786594423. The cubic root of 196593451 is about 581.4642462060.

The spelling of 196593451 in words is "one hundred ninety-six million, five hundred ninety-three thousand, four hundred fifty-one".