2631001 has 4 divisors (see below), whose sum is σ = 2715904. Its totient is φ = 2546100.

The previous prime is 2630989. The next prime is 2631007. The reversal of 2631001 is 1001362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2631001 - 2⁹ = 2630489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631007) 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, 42405 + ... + 42466.

It is an arithmetic number, because the mean of its divisors is an integer number (678976).

2^2631001 is an apocalyptic number.

It is an amenable number.

2631001 is a deficient number, since it is larger than the sum of its proper divisors (84903).

2631001 is an equidigital number, since it uses as much as digits as its factorization.

2631001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84902.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2631001 is about 1622.0360661835. The cubic root of 2631001 is about 138.0512482067.

Adding to 2631001 its reverse (1001362), we get a palindrome (3632363).

The spelling of 2631001 in words is "two million, six hundred thirty-one thousand, one".