3609513 has 6 divisors (see below), whose sum is σ = 5213754. Its totient is φ = 2406336.

The previous prime is 3609509. The next prime is 3609523. The reversal of 3609513 is 3159063.

3609513 is a `hidden beast` number, since 3 + 609 + 51 + 3 = 666.

3609513 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 1937664 + 1671849 = 1392^2 + 1293^2 .

It is not a de Polignac number, because 3609513 - 2² = 3609509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3609503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200520 + ... + 200537.

It is an arithmetic number, because the mean of its divisors is an integer number (868959).

Almost surely, 2^3609513 is an apocalyptic number.

It is an amenable number.

3609513 is a deficient number, since it is larger than the sum of its proper divisors (1604241).

3609513 is a wasteful number, since it uses less digits than its factorization.

3609513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401063 (or 401060 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 3609513 is about 1899.8718377827. The cubic root of 3609513 is about 153.3967659204.

The spelling of 3609513 in words is "three million, six hundred nine thousand, five hundred thirteen".