5251761730 has 8 divisors (see below), whose sum is σ = 9453171132. Its totient is φ = 2100704688.

The previous prime is 5251761721. The next prime is 5251761731. The reversal of 5251761730 is 371671525.

It can be written as a sum of positive squares in 2 ways, for example, as 5184144001 + 67617729 = 72001^2 + 8223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5251761730.

It is not an unprimeable number, because it can be changed into a prime (5251761731) by changing a digit.

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, 262588077 + ... + 262588096.

Almost surely, 2^5251761730 is an apocalyptic number.

5251761730 is a deficient number, since it is larger than the sum of its proper divisors (4201409402).

5251761730 is a wasteful number, since it uses less digits than its factorization.

5251761730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525176180.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 5251761730 is about 72469.0398032153. The cubic root of 5251761730 is about 1738.2077076992.

The spelling of 5251761730 in words is "five billion, two hundred fifty-one million, seven hundred sixty-one thousand, seven hundred thirty".