2506263 has 4 divisors (see below), whose sum is σ = 3341688. Its totient is φ = 1670840.

The previous prime is 2506253. The next prime is 2506277. The reversal of 2506263 is 3626052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2506263 - 2⁶ = 2506199 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506223) 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, 417708 + ... + 417713.

It is an arithmetic number, because the mean of its divisors is an integer number (835422).

2^2506263 is an apocalyptic number.

2506263 is a deficient number, since it is larger than the sum of its proper divisors (835425).

2506263 is an equidigital number, since it uses as much as digits as its factorization.

2506263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835424.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2506263 is about 1583.1181257253. The cubic root of 2506263 is about 135.8341223017.

The spelling of 2506263 in words is "two million, five hundred six thousand, two hundred sixty-three".