2506143 has 8 divisors (see below), whose sum is σ = 3398400. Its totient is φ = 1642328.

The previous prime is 2506129. The next prime is 2506183. The reversal of 2506143 is 3416052.

It is a happy number.

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 2506143 - 2⁶ = 2506079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506183) 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, 6903 + ... + 7256.

It is an arithmetic number, because the mean of its divisors is an integer number (424800).

2^2506143 is an apocalyptic number.

2506143 is a deficient number, since it is larger than the sum of its proper divisors (892257).

2506143 is a wasteful number, since it uses less digits than its factorization.

2506143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14221.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2506143 is about 1583.0802253834. The cubic root of 2506143 is about 135.8319543522.

Subtracting 2506143 from its reverse (3416052), we obtain a palindrome (909909).

The spelling of 2506143 in words is "two million, five hundred six thousand, one hundred forty-three".