2631601 has 8 divisors (see below), whose sum is σ = 3057344. Its totient is φ = 2218320.

The previous prime is 2631581. The next prime is 2631631. The reversal of 2631601 is 1061362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2631601 - 2¹³ = 2623409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655 + ... + 3508.

It is an arithmetic number, because the mean of its divisors is an integer number (382168).

2^2631601 is an apocalyptic number.

It is an amenable number.

2631601 is a deficient number, since it is larger than the sum of its proper divisors (425743).

2631601 is an equidigital number, since it uses as much as digits as its factorization.

2631601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2631601 is about 1622.2210083709. The cubic root of 2631601 is about 138.0617416087.

Adding to 2631601 its reverse (1061362), we get a palindrome (3692963).

The spelling of 2631601 in words is "two million, six hundred thirty-one thousand, six hundred one".