3663451 has 4 divisors (see below), whose sum is σ = 3996504. Its totient is φ = 3330400.

The previous prime is 3663437. The next prime is 3663461. The reversal of 3663451 is 1543663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1543663 = 11 ⋅140333.

It is a cyclic number.

It is not a de Polignac number, because 3663451 - 2⁵ = 3663419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663421) 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, 166510 + ... + 166531.

It is an arithmetic number, because the mean of its divisors is an integer number (999126).

Almost surely, 2^3663451 is an apocalyptic number.

3663451 is a deficient number, since it is larger than the sum of its proper divisors (333053).

3663451 is a wasteful number, since it uses less digits than its factorization.

3663451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333052.

The product of its digits is 6480, while the sum is 28.

The square root of 3663451 is about 1914.0143677622. The cubic root of 3663451 is about 154.1570753549.

It can be divided in two parts, 3663 and 451, that added together give a palindrome (4114).

The spelling of 3663451 in words is "three million, six hundred sixty-three thousand, four hundred fifty-one".