252680729 has 8 divisors (see below), whose sum is σ = 290148288. Its totient is φ = 215555760.

The previous prime is 252680723. The next prime is 252680731. The reversal of 252680729 is 927086252.

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

It is not a de Polignac number, because 252680729 - 2⁴ = 252680713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252680723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84062 + ... + 87015.

It is an arithmetic number, because the mean of its divisors is an integer number (36268536).

Almost surely, 2^252680729 is an apocalyptic number.

It is an amenable number.

252680729 is a deficient number, since it is larger than the sum of its proper divisors (37467559).

252680729 is a wasteful number, since it uses less digits than its factorization.

252680729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171295.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 252680729 is about 15895.9343544191. The cubic root of 252680729 is about 632.2041956552.

The spelling of 252680729 in words is "two hundred fifty-two million, six hundred eighty thousand, seven hundred twenty-nine".