361540159 has 2 divisors, whose sum is σ = 361540160. Its totient is φ = 361540158.

The previous prime is 361540133. The next prime is 361540169. The reversal of 361540159 is 951045163.

It is a strong prime.

It is an emirp because it is prime and its reverse (951045163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361540159 - 2¹⁹ = 361015871 is a prime.

It is a super-2 number, since 2×361540159² = 261422573139490562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361540169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180770079 + 180770080.

It is an arithmetic number, because the mean of its divisors is an integer number (180770080).

Almost surely, 2^361540159 is an apocalyptic number.

361540159 is a deficient number, since it is larger than the sum of its proper divisors (1).

361540159 is an equidigital number, since it uses as much as digits as its factorization.

361540159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 361540159 is about 19014.2093971850. The cubic root of 361540159 is about 712.3916956134.

The spelling of 361540159 in words is "three hundred sixty-one million, five hundred forty thousand, one hundred fifty-nine".