2456853521 has 2 divisors, whose sum is σ = 2456853522. Its totient is φ = 2456853520.

The previous prime is 2456853499. The next prime is 2456853527. The reversal of 2456853521 is 1253586542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416468496 + 1040385025 = 37636^2 + 32255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2456853521 - 2⁶ = 2456853457 is a prime.

It is a super-2 number, since 2×2456853521² = 12072258447300194882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2456853527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228426760 + 1228426761.

It is an arithmetic number, because the mean of its divisors is an integer number (1228426761).

Almost surely, 2^2456853521 is an apocalyptic number.

It is an amenable number.

2456853521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456853521 is an equidigital number, since it uses as much as digits as its factorization.

2456853521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 41.

The square root of 2456853521 is about 49566.6573514898. The cubic root of 2456853521 is about 1349.3556176665.

The spelling of 2456853521 in words is "two billion, four hundred fifty-six million, eight hundred fifty-three thousand, five hundred twenty-one".