3605340631 has 4 divisors (see below), whose sum is σ = 3605912200. Its totient is φ = 3604769064.

The previous prime is 3605340623. The next prime is 3605340659. The reversal of 3605340631 is 1360435063.

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

It is a cyclic number.

It is not a de Polignac number, because 3605340631 - 2³ = 3605340623 is a prime.

It is a super-2 number, since 2×3605340631² = 25996962131078956322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3605340593 and 3605340602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605340731) 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, 276216 + ... + 288973.

It is an arithmetic number, because the mean of its divisors is an integer number (901478050).

Almost surely, 2^3605340631 is an apocalyptic number.

3605340631 is a deficient number, since it is larger than the sum of its proper divisors (571569).

3605340631 is an equidigital number, since it uses as much as digits as its factorization.

3605340631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571568.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 3605340631 is about 60044.4887645819. The cubic root of 3605340631 is about 1533.3763747475.

Adding to 3605340631 its reverse (1360435063), we get a palindrome (4965775694).

The spelling of 3605340631 in words is "three billion, six hundred five million, three hundred forty thousand, six hundred thirty-one".