2457117541 has 2 divisors, whose sum is σ = 2457117542. Its totient is φ = 2457117540.

The previous prime is 2457117529. The next prime is 2457117589. The reversal of 2457117541 is 1457117542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2176689025 + 280428516 = 46655^2 + 16746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2457117541 is a prime.

It is a super-2 number, since 2×2457117541² = 12074853220579773362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2457117541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2457117511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228558770 + 1228558771.

It is an arithmetic number, because the mean of its divisors is an integer number (1228558771).

Almost surely, 2^2457117541 is an apocalyptic number.

It is an amenable number.

2457117541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457117541 is an equidigital number, since it uses as much as digits as its factorization.

2457117541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 37.

The square root of 2457117541 is about 49569.3205622187. The cubic root of 2457117541 is about 1349.4039510472.

Subtracting from 2457117541 its reverse (1457117542), we obtain a palindrome (999999999).

The spelling of 2457117541 in words is "two billion, four hundred fifty-seven million, one hundred seventeen thousand, five hundred forty-one".