3640030523 has 2 divisors, whose sum is σ = 3640030524. Its totient is φ = 3640030522.

The previous prime is 3640030519. The next prime is 3640030543. The reversal of 3640030523 is 3250300463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3640030523 - 2² = 3640030519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3640030492 and 3640030501.

It is not a weakly prime, because it can be changed into another prime (3640030543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820015261 + 1820015262.

It is an arithmetic number, because the mean of its divisors is an integer number (1820015262).

Almost surely, 2^3640030523 is an apocalyptic number.

3640030523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640030523 is an equidigital number, since it uses as much as digits as its factorization.

3640030523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 3640030523 is about 60332.6654723625. The cubic root of 3640030523 is about 1538.2786358864.

Adding to 3640030523 its reverse (3250300463), we get a palindrome (6890330986).

The spelling of 3640030523 in words is "three billion, six hundred forty million, thirty thousand, five hundred twenty-three".