3603731 has 2 divisors, whose sum is σ = 3603732. Its totient is φ = 3603730.

The previous prime is 3603727. The next prime is 3603737. The reversal of 3603731 is 1373063.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3603731 - 2² = 3603727 is a prime.

It is a super-2 number, since 2×3603731² = 25973754240722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3603697 and 3603706.

It is not a weakly prime, because it can be changed into another prime (3603737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801865 + 1801866.

It is an arithmetic number, because the mean of its divisors is an integer number (1801866).

Almost surely, 2^3603731 is an apocalyptic number.

3603731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3603731 is an equidigital number, since it uses as much as digits as its factorization.

3603731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 3603731 is about 1898.3495463165. The cubic root of 3603731 is about 153.3148145037.

Adding to 3603731 its reverse (1373063), we get a palindrome (4976794).

It can be divided in two parts, 3603 and 731, that added together give a palindrome (4334).

The spelling of 3603731 in words is "three million, six hundred three thousand, seven hundred thirty-one".