361544491 has 54 divisors (see below), whose sum is σ = 493401804. Its totient is φ = 263894400.

The previous prime is 361544471. The next prime is 361544509. The reversal of 361544491 is 194445163.

It is not a de Polignac number, because 361544491 - 2¹³ = 361536299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361544491.

It is not an unprimeable number, because it can be changed into a prime (361544401) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1713376 + ... + 1713586.

Almost surely, 2^361544491 is an apocalyptic number.

361544491 is a deficient number, since it is larger than the sum of its proper divisors (131857313).

361544491 is a wasteful number, since it uses less digits than its factorization.

361544491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 246 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 361544491 is about 19014.3233116511. The cubic root of 361544491 is about 712.3945409114.

The spelling of 361544491 in words is "three hundred sixty-one million, five hundred forty-four thousand, four hundred ninety-one".