2465691 has 4 divisors (see below), whose sum is σ = 3287592. Its totient is φ = 1643792.

The previous prime is 2465657. The next prime is 2465707. The reversal of 2465691 is 1965642.

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

It is a cyclic number.

It is not a de Polignac number, because 2465691 - 2⁶ = 2465627 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2465621) 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, 410946 + ... + 410951.

It is an arithmetic number, because the mean of its divisors is an integer number (821898).

2^2465691 is an apocalyptic number.

2465691 is a deficient number, since it is larger than the sum of its proper divisors (821901).

2465691 is an equidigital number, since it uses as much as digits as its factorization.

2465691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821900.

The product of its digits is 12960, while the sum is 33.

The square root of 2465691 is about 1570.2518906214. The cubic root of 2465691 is about 135.0971591390.

Adding to 2465691 its product of digits (12960), we get a triangular number (2478651 = T₂₂₂₆).

The spelling of 2465691 in words is "two million, four hundred sixty-five thousand, six hundred ninety-one".