2543502902 has 4 divisors (see below), whose sum is σ = 3815254356. Its totient is φ = 1271751450.

The previous prime is 2543502893. The next prime is 2543502919. The reversal of 2543502902 is 2092053452.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635875724 + ... + 635875727.

It is an arithmetic number, because the mean of its divisors is an integer number (953813589).

Almost surely, 2^2543502902 is an apocalyptic number.

2543502902 is a deficient number, since it is larger than the sum of its proper divisors (1271751454).

2543502902 is a wasteful number, since it uses less digits than its factorization.

2543502902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271751453.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2543502902 is about 50433.1528064625. The cubic root of 2543502902 is about 1365.0359183167.

The spelling of 2543502902 in words is "two billion, five hundred forty-three million, five hundred two thousand, nine hundred two".