3652651 has 4 divisors (see below), whose sum is σ = 3658032. Its totient is φ = 3647272.

The previous prime is 3652643. The next prime is 3652661. The reversal of 3652651 is 1562563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1562563 = 149 ⋅10487.

It is a cyclic number.

It is not a de Polignac number, because 3652651 - 2³ = 3652643 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 (3652661) 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, 1495 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (914508).

Almost surely, 2^3652651 is an apocalyptic number.

3652651 is a deficient number, since it is larger than the sum of its proper divisors (5381).

3652651 is an equidigital number, since it uses as much as digits as its factorization.

3652651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its digits is 5400, while the sum is 28.

The square root of 3652651 is about 1911.1909899327. The cubic root of 3652651 is about 154.0054391737.

The spelling of 3652651 in words is "three million, six hundred fifty-two thousand, six hundred fifty-one".