2506402623 has 8 divisors (see below), whose sum is σ = 3344070528. Its totient is φ = 1669834904.

The previous prime is 2506402609. The next prime is 2506402663. The reversal of 2506402623 is 3262046052.

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 2506402623 - 2⁶ = 2506402559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506402663) 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, 269715 + ... + 278852.

It is an arithmetic number, because the mean of its divisors is an integer number (418008816).

Almost surely, 2^2506402623 is an apocalyptic number.

2506402623 is a deficient number, since it is larger than the sum of its proper divisors (837667905).

2506402623 is a wasteful number, since it uses less digits than its factorization.

2506402623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550093.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2506402623 is about 50063.9852888281. The cubic root of 2506402623 is about 1358.3664467804.

Adding to 2506402623 its reverse (3262046052), we get a palindrome (5768448675).

The spelling of 2506402623 in words is "two billion, five hundred six million, four hundred two thousand, six hundred twenty-three".