2691461 has 4 divisors (see below), whose sum is σ = 2784300. Its totient is φ = 2598624.

The previous prime is 2691443. The next prime is 2691463. The reversal of 2691461 is 1641962.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 748225 = 1394^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2691461 - 2¹⁴ = 2675077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 92809 = 2691461 / (2 + 6 + 9 + 1 + 4 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691463) 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, 46376 + ... + 46433.

It is an arithmetic number, because the mean of its divisors is an integer number (696075).

2^2691461 is an apocalyptic number.

It is an amenable number.

2691461 is a deficient number, since it is larger than the sum of its proper divisors (92839).

2691461 is an equidigital number, since it uses as much as digits as its factorization.

2691461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92838.

The product of its digits is 2592, while the sum is 29.

The square root of 2691461 is about 1640.5672799370. The cubic root of 2691461 is about 139.1007154408.

The spelling of 2691461 in words is "two million, six hundred ninety-one thousand, four hundred sixty-one".