3215461 has 4 divisors (see below), whose sum is σ = 3220192. Its totient is φ = 3210732.

The previous prime is 3215447. The next prime is 3215467. The reversal of 3215461 is 1645123.

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.

It is a cyclic number.

It is not a de Polignac number, because 3215461 - 2⁹ = 3214949 is a prime.

It is a Duffinian number.

3215461 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215467) 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, 1131 + ... + 2776.

It is an arithmetic number, because the mean of its divisors is an integer number (805048).

Almost surely, 2^3215461 is an apocalyptic number.

It is an amenable number.

3215461 is a deficient number, since it is larger than the sum of its proper divisors (4731).

3215461 is an equidigital number, since it uses as much as digits as its factorization.

3215461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its digits is 720, while the sum is 22.

The square root of 3215461 is about 1793.1706555707. The cubic root of 3215461 is about 147.5982071252.

The spelling of 3215461 in words is "three million, two hundred fifteen thousand, four hundred sixty-one".