2531023 has 8 divisors (see below), whose sum is σ = 2825856. Its totient is φ = 2247000.

The previous prime is 2531017. The next prime is 2531027. The reversal of 2531023 is 3201352.

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 2531023 - 2⁵ = 2530991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530988 and 2531006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531027) 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, 2203 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (353232).

2^2531023 is an apocalyptic number.

2531023 is a deficient number, since it is larger than the sum of its proper divisors (294833).

2531023 is a wasteful number, since it uses less digits than its factorization.

2531023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2531023 is about 1590.9189168528. The cubic root of 2531023 is about 136.2799704011.

Adding to 2531023 its reverse (3201352), we get a palindrome (5732375).

The spelling of 2531023 in words is "two million, five hundred thirty-one thousand, twenty-three".