3513623 has 2 divisors, whose sum is σ = 3513624. Its totient is φ = 3513622.

The previous prime is 3513617. The next prime is 3513637. The reversal of 3513623 is 3263153.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3513623 - 2⁴ = 3513607 is a prime.

It is a super-2 number, since 2×3513623² = 24691093172258, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3513023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756811 + 1756812.

It is an arithmetic number, because the mean of its divisors is an integer number (1756812).

Almost surely, 2^3513623 is an apocalyptic number.

3513623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3513623 is an equidigital number, since it uses as much as digits as its factorization.

3513623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 23.

The square root of 3513623 is about 1874.4660573081. The cubic root of 3513623 is about 152.0261814319.

Adding to 3513623 its reverse (3263153), we get a palindrome (6776776).

The spelling of 3513623 in words is "three million, five hundred thirteen thousand, six hundred twenty-three".