2538975697 has 8 divisors (see below), whose sum is σ = 2574631976. Its totient is φ = 2503343232.

The previous prime is 2538975683. The next prime is 2538975737. The reversal of 2538975697 is 7965798352.

It can be written as a sum of positive squares in 4 ways, for example, as 30869136 + 2508106561 = 5556^2 + 50081^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2538975697 is a prime.

It is a Duffinian number.

Its product of digits (28576800) is a multiple of the sum of its prime divisors (11907).

It is not an unprimeable number, because it can be changed into a prime (2538975617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393703 + ... + 400099.

It is an arithmetic number, because the mean of its divisors is an integer number (321828997).

Almost surely, 2^2538975697 is an apocalyptic number.

It is an amenable number.

2538975697 is a deficient number, since it is larger than the sum of its proper divisors (35656279).

2538975697 is an equidigital number, since it uses as much as digits as its factorization.

2538975697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11907.

The product of its digits is 28576800, while the sum is 61.

The square root of 2538975697 is about 50388.2495925389. The cubic root of 2538975697 is about 1364.2255571998.

The spelling of 2538975697 in words is "two billion, five hundred thirty-eight million, nine hundred seventy-five thousand, six hundred ninety-seven".