361854047 has 2 divisors, whose sum is σ = 361854048. Its totient is φ = 361854046.

The previous prime is 361854007. The next prime is 361854067. The reversal of 361854047 is 740458163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 361854047 - 2⁶ = 361853983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361854047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361854007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180927023 + 180927024.

It is an arithmetic number, because the mean of its divisors is an integer number (180927024).

Almost surely, 2^361854047 is an apocalyptic number.

361854047 is a deficient number, since it is larger than the sum of its proper divisors (1).

361854047 is an equidigital number, since it uses as much as digits as its factorization.

361854047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 361854047 is about 19022.4616440670. The cubic root of 361854047 is about 712.5978013690.

The spelling of 361854047 in words is "three hundred sixty-one million, eight hundred fifty-four thousand, forty-seven".