3635413 has 4 divisors (see below), whose sum is σ = 3686688. Its totient is φ = 3584140.

The previous prime is 3635407. The next prime is 3635431. The reversal of 3635413 is 3145363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3145363 = 13 ⋅241951.

It is a cyclic number.

It is not a de Polignac number, because 3635413 - 2⁹ = 3634901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3635453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25531 + ... + 25672.

It is an arithmetic number, because the mean of its divisors is an integer number (921672).

Almost surely, 2^3635413 is an apocalyptic number.

It is an amenable number.

3635413 is a deficient number, since it is larger than the sum of its proper divisors (51275).

3635413 is an equidigital number, since it uses as much as digits as its factorization.

3635413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51274.

The product of its digits is 3240, while the sum is 25.

The square root of 3635413 is about 1906.6759032410. The cubic root of 3635413 is about 153.7627904842.

It can be divided in two parts, 363 and 5413, that added together give a square (5776 = 76²).

The spelling of 3635413 in words is "three million, six hundred thirty-five thousand, four hundred thirteen".