2051725736 has 32 divisors (see below), whose sum is σ = 3990423360. Its totient is φ = 988267392.

The previous prime is 2051725673. The next prime is 2051725747. The reversal of 2051725736 is 6375271502.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2051725736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15740 + ... + 65963.

It is an arithmetic number, because the mean of its divisors is an integer number (124700730).

Almost surely, 2^2051725736 is an apocalyptic number.

It is an amenable number.

2051725736 is a deficient number, since it is larger than the sum of its proper divisors (1938697624).

2051725736 is a wasteful number, since it uses less digits than its factorization.

2051725736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81825 (or 81821 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 2051725736 is about 45295.9792476109. The cubic root of 2051725736 is about 1270.6904580405.

The spelling of 2051725736 in words is "two billion, fifty-one million, seven hundred twenty-five thousand, seven hundred thirty-six".