3651023 has 2 divisors, whose sum is σ = 3651024. Its totient is φ = 3651022.

The previous prime is 3651019. The next prime is 3651083. The reversal of 3651023 is 3201563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3651023 - 2² = 3651019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3650986 and 3651004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3651083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825511 + 1825512.

It is an arithmetic number, because the mean of its divisors is an integer number (1825512).

Almost surely, 2^3651023 is an apocalyptic number.

3651023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651023 is an equidigital number, since it uses as much as digits as its factorization.

3651023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 3651023 is about 1910.7650300338. The cubic root of 3651023 is about 153.9825555098.

Adding to 3651023 its product of nonzero digits (540), we get a palindrome (3651563).

Adding to 3651023 its reverse (3201563), we get a palindrome (6852586).

The spelling of 3651023 in words is "three million, six hundred fifty-one thousand, twenty-three".