196290541 has 2 divisors, whose sum is σ = 196290542. Its totient is φ = 196290540.

The previous prime is 196290527. The next prime is 196290547. The reversal of 196290541 is 145092691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187416100 + 8874441 = 13690^2 + 2979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196290541 is a prime.

It is equal to p_10884970 and since 196290541 and 10884970 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196290541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196290547) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98145270 + 98145271.

It is an arithmetic number, because the mean of its divisors is an integer number (98145271).

Almost surely, 2^196290541 is an apocalyptic number.

It is an amenable number.

196290541 is a deficient number, since it is larger than the sum of its proper divisors (1).

196290541 is an equidigital number, since it uses as much as digits as its factorization.

196290541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 196290541 is about 14010.3726217399. The cubic root of 196290541 is about 581.1654538300.

The spelling of 196290541 in words is "one hundred ninety-six million, two hundred ninety thousand, five hundred forty-one".