1975457113 has 16 divisors (see below), whose sum is σ = 2453155840. Its totient is φ = 1552381200.

The previous prime is 1975457087. The next prime is 1975457153. The reversal of 1975457113 is 3117545791.

It is a cyclic number.

It is not a de Polignac number, because 1975457113 - 2⁹ = 1975456601 is a prime.

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 1975457113.

It is not an unprimeable number, because it can be changed into a prime (1975457153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235443 + ... + 243688.

It is an arithmetic number, because the mean of its divisors is an integer number (153322240).

Almost surely, 2^1975457113 is an apocalyptic number.

It is an amenable number.

1975457113 is a deficient number, since it is larger than the sum of its proper divisors (477698727).

1975457113 is a wasteful number, since it uses less digits than its factorization.

1975457113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479188.

The product of its digits is 132300, while the sum is 43.

The square root of 1975457113 is about 44446.1147120870. The cubic root of 1975457113 is about 1254.7461406184.

It can be divided in two parts, 19754 and 57113, that added together give a palindrome (76867).

The spelling of 1975457113 in words is "one billion, nine hundred seventy-five million, four hundred fifty-seven thousand, one hundred thirteen".