361725605 has 8 divisors (see below), whose sum is σ = 434175864. Its totient is φ = 289310400.

The previous prime is 361725601. The next prime is 361725607. The reversal of 361725605 is 506527163.

It can be written as a sum of positive squares in 4 ways, for example, as 94926049 + 266799556 = 9743^2 + 16334^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 361725605 - 2² = 361725601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361725601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27875 + ... + 38735.

It is an arithmetic number, because the mean of its divisors is an integer number (54271983).

Almost surely, 2^361725605 is an apocalyptic number.

It is an amenable number.

361725605 is a deficient number, since it is larger than the sum of its proper divisors (72450259).

361725605 is a wasteful number, since it uses less digits than its factorization.

361725605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17527.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 361725605 is about 19019.0852829467. The cubic root of 361725605 is about 712.5134779435.

The spelling of 361725605 in words is "three hundred sixty-one million, seven hundred twenty-five thousand, six hundred five".