2530005278 has 4 divisors (see below), whose sum is σ = 3795007920. Its totient is φ = 1265002638.

The previous prime is 2530005271. The next prime is 2530005281. The reversal of 2530005278 is 8725000352.

2530005278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530005271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632501318 + ... + 632501321.

It is an arithmetic number, because the mean of its divisors is an integer number (948751980).

Almost surely, 2^2530005278 is an apocalyptic number.

2530005278 is a deficient number, since it is larger than the sum of its proper divisors (1265002642).

2530005278 is a wasteful number, since it uses less digits than its factorization.

2530005278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265002641.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2530005278 is about 50299.1578259517. The cubic root of 2530005278 is about 1362.6170193577.

The spelling of 2530005278 in words is "two billion, five hundred thirty million, five thousand, two hundred seventy-eight".