3648031 has 2 divisors, whose sum is σ = 3648032. Its totient is φ = 3648030.

The previous prime is 3647989. The next prime is 3648037. The reversal of 3648031 is 1308463.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3648031 is a prime.

It is a super-2 number, since 2×3648031² = 26616260353922, which contains 22 as substring.

3648031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3647987 and 3648005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824015 + 1824016.

It is an arithmetic number, because the mean of its divisors is an integer number (1824016).

Almost surely, 2^3648031 is an apocalyptic number.

3648031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648031 is an equidigital number, since it uses as much as digits as its factorization.

3648031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3648031 is about 1909.9819370874. The cubic root of 3648031 is about 153.9404813008.

The spelling of 3648031 in words is "three million, six hundred forty-eight thousand, thirty-one".