3615361 has 4 divisors (see below), whose sum is σ = 3619924. Its totient is φ = 3610800.

The previous prime is 3615349. The next prime is 3615389. The reversal of 3615361 is 1635163.

3615361 = 1344² + 1345².

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 1806336 = 1345^2 + 1344^2 .

It is a cyclic number.

It is not a de Polignac number, because 3615361 - 2⁵ = 3615329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3615331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (904981).

Almost surely, 2^3615361 is an apocalyptic number.

3615361 is the 1345-th centered square number.

It is an amenable number.

3615361 is a deficient number, since it is larger than the sum of its proper divisors (4563).

3615361 is a wasteful number, since it uses less digits than its factorization.

3615361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562.

The product of its digits is 1620, while the sum is 25.

The square root of 3615361 is about 1901.4102660920. The cubic root of 3615361 is about 153.4795638176.

The spelling of 3615361 in words is "three million, six hundred fifteen thousand, three hundred sixty-one".