2531001 has 8 divisors (see below), whose sum is σ = 3681504. Its totient is φ = 1533920.

The previous prime is 2530999. The next prime is 2531017. The reversal of 2531001 is 1001352.

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 2531001 - 2¹ = 2530999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2531101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38316 + ... + 38381.

It is an arithmetic number, because the mean of its divisors is an integer number (460188).

2^2531001 is an apocalyptic number.

It is an amenable number.

2531001 is a deficient number, since it is larger than the sum of its proper divisors (1150503).

2531001 is a wasteful number, since it uses less digits than its factorization.

2531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76711.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2531001 is about 1590.9120025947. The cubic root of 2531001 is about 136.2795755452.

Adding to 2531001 its reverse (1001352), we get a palindrome (3532353).

The spelling of 2531001 in words is "two million, five hundred thirty-one thousand, one".