2528738246 has 4 divisors (see below), whose sum is σ = 3793107372. Its totient is φ = 1264369122.

The previous prime is 2528738209. The next prime is 2528738273. The reversal of 2528738246 is 6428378252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2528738246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632184560 + ... + 632184563.

It is an arithmetic number, because the mean of its divisors is an integer number (948276843).

Almost surely, 2^2528738246 is an apocalyptic number.

2528738246 is a deficient number, since it is larger than the sum of its proper divisors (1264369126).

2528738246 is a wasteful number, since it uses less digits than its factorization.

2528738246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264369125.

The product of its digits is 1290240, while the sum is 47.

The square root of 2528738246 is about 50286.5612862920. The cubic root of 2528738246 is about 1362.3895142123.

The spelling of 2528738246 in words is "two billion, five hundred twenty-eight million, seven hundred thirty-eight thousand, two hundred forty-six".