2465991 has 48 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 1354320.

The previous prime is 2465989. The next prime is 2465993. The reversal of 2465991 is 1995642.

It is an interprime number because it is at equal distance from previous prime (2465989) and next prime (2465993).

It is not a de Polignac number, because 2465991 - 2¹ = 2465989 is a prime.

It is a super-2 number, since 2×2465991² = 12162223224162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (19440) is a multiple of the sum of its prime factors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2465993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107206 + ... + 107228.

It is an arithmetic number, because the mean of its divisors is an integer number (91440).

2^2465991 is an apocalyptic number.

2465991 is a deficient number, since it is larger than the sum of its proper divisors (1923129).

2465991 is a wasteful number, since it uses less digits than its factorization.

2465991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 56 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 2465991 is about 1570.3474137910. The cubic root of 2465991 is about 135.1026379958.

The spelling of 2465991 in words is "two million, four hundred sixty-five thousand, nine hundred ninety-one".