361525541 has 4 divisors (see below), whose sum is σ = 389335212. Its totient is φ = 333715872.

The previous prime is 361525537. The next prime is 361525543. The reversal of 361525541 is 145525163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178329316 + 183196225 = 13354^2 + 13535^2 .

It is a cyclic number.

It is not a de Polignac number, because 361525541 - 2² = 361525537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361525498 and 361525507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361525543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13904816 + ... + 13904841.

It is an arithmetic number, because the mean of its divisors is an integer number (97333803).

Almost surely, 2^361525541 is an apocalyptic number.

It is an amenable number.

361525541 is a deficient number, since it is larger than the sum of its proper divisors (27809671).

361525541 is a wasteful number, since it uses less digits than its factorization.

361525541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27809670.

The product of its digits is 18000, while the sum is 32.

The square root of 361525541 is about 19013.8249965650. The cubic root of 361525541 is about 712.3820942069.

The spelling of 361525541 in words is "three hundred sixty-one million, five hundred twenty-five thousand, five hundred forty-one".