2352172681 has 8 divisors (see below), whose sum is σ = 2358288000. Its totient is φ = 2346066912.

The previous prime is 2352172679. The next prime is 2352172699. The reversal of 2352172681 is 1862712532.

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

It is a cyclic number.

It is not a de Polignac number, because 2352172681 - 2¹ = 2352172679 is a prime.

It is a super-2 number, since 2×2352172681² = 11065432642485455522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2352172681.

It is not an unprimeable number, because it can be changed into a prime (2352172181) 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, 782820 + ... + 785818.

It is an arithmetic number, because the mean of its divisors is an integer number (294786000).

Almost surely, 2^2352172681 is an apocalyptic number.

It is an amenable number.

2352172681 is a deficient number, since it is larger than the sum of its proper divisors (6115319).

2352172681 is an equidigital number, since it uses as much as digits as its factorization.

2352172681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775.

The product of its digits is 40320, while the sum is 37.

The square root of 2352172681 is about 48499.2028903569. The cubic root of 2352172681 is about 1329.9124974938.

The spelling of 2352172681 in words is "two billion, three hundred fifty-two million, one hundred seventy-two thousand, six hundred eighty-one".