2631959 has 16 divisors (see below), whose sum is σ = 3055104. Its totient is φ = 2244000.

The previous prime is 2631949. The next prime is 2631971. The reversal of 2631959 is 9591362.

It is not a de Polignac number, because 2631959 - 2¹⁶ = 2566423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25502 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (190944).

2^2631959 is an apocalyptic number.

2631959 is a deficient number, since it is larger than the sum of its proper divisors (423145).

2631959 is a wasteful number, since it uses less digits than its factorization.

2631959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238.

The product of its digits is 14580, while the sum is 35.

The square root of 2631959 is about 1622.3313471668. The cubic root of 2631959 is about 138.0680019121.

It can be divided in two parts, 263 and 1959, that added together give a palindrome (2222).

The spelling of 2631959 in words is "two million, six hundred thirty-one thousand, nine hundred fifty-nine".