2590641 has 6 divisors (see below), whose sum is σ = 3742050. Its totient is φ = 1727088.

The previous prime is 2590633. The next prime is 2590649. The reversal of 2590641 is 1460952.

It is an interprime number because it is at equal distance from previous prime (2590633) and next prime (2590649).

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 848241 = 1320^2 + 921^2 .

It is not a de Polignac number, because 2590641 - 2³ = 2590633 is a prime.

It is a super-2 number, since 2×2590641² = 13422841581762, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2590649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143916 + ... + 143933.

It is an arithmetic number, because the mean of its divisors is an integer number (623675).

2^2590641 is an apocalyptic number.

It is an amenable number.

2590641 is a deficient number, since it is larger than the sum of its proper divisors (1151409).

2590641 is a wasteful number, since it uses less digits than its factorization.

2590641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287855 (or 287852 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2590641 is about 1609.5468306328. The cubic root of 2590641 is about 137.3416977080.

The spelling of 2590641 in words is "two million, five hundred ninety thousand, six hundred forty-one".