2513765428 has 12 divisors (see below), whose sum is σ = 4424518980. Its totient is φ = 1249617152.

The previous prime is 2513765389. The next prime is 2513765431. The reversal of 2513765428 is 8245673152.

It can be written as a sum of positive squares in 2 ways, for example, as 2102405904 + 411359524 = 45852^2 + 20282^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815613 + ... + 1816996.

It is an arithmetic number, because the mean of its divisors is an integer number (368709915).

Almost surely, 2^2513765428 is an apocalyptic number.

It is an amenable number.

2513765428 is a deficient number, since it is larger than the sum of its proper divisors (1910753552).

2513765428 is a wasteful number, since it uses less digits than its factorization.

2513765428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632786 (or 3632784 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 2513765428 is about 50137.4653128776. The cubic root of 2513765428 is about 1359.6952582773.

The spelling of 2513765428 in words is "two billion, five hundred thirteen million, seven hundred sixty-five thousand, four hundred twenty-eight".