2621461 has 4 divisors (see below), whose sum is σ = 2626624. Its totient is φ = 2616300.

The previous prime is 2621459. The next prime is 2621467. The reversal of 2621461 is 1641262.

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 2621461 - 2¹ = 2621459 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725 + ... + 2866.

It is an arithmetic number, because the mean of its divisors is an integer number (656656).

2^2621461 is an apocalyptic number.

It is an amenable number.

2621461 is a deficient number, since it is larger than the sum of its proper divisors (5163).

2621461 is an equidigital number, since it uses as much as digits as its factorization.

2621461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162.

The product of its digits is 576, while the sum is 22.

The square root of 2621461 is about 1619.0926471330. The cubic root of 2621461 is about 137.8841883506.

The spelling of 2621461 in words is "two million, six hundred twenty-one thousand, four hundred sixty-one".