363540261 has 12 divisors (see below), whose sum is σ = 563858592. Its totient is φ = 207737208.

The previous prime is 363540209. The next prime is 363540293. The reversal of 363540261 is 162045363.

It is not a de Polignac number, because 363540261 - 2¹¹ = 363538213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363540161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1236385 + ... + 1236678.

It is an arithmetic number, because the mean of its divisors is an integer number (46988216).

Almost surely, 2^363540261 is an apocalyptic number.

It is an amenable number.

363540261 is a deficient number, since it is larger than the sum of its proper divisors (200318331).

363540261 is a wasteful number, since it uses less digits than its factorization.

363540261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473080 (or 2473073 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 363540261 is about 19066.7317860193. The cubic root of 363540261 is about 713.7029714148.

The spelling of 363540261 in words is "three hundred sixty-three million, five hundred forty thousand, two hundred sixty-one".