2453115521 has 6 divisors (see below), whose sum is σ = 2605905030. Its totient is φ = 2308814336.

The previous prime is 2453115473. The next prime is 2453115527. The reversal of 2453115521 is 1255113542.

It can be written as a sum of positive squares in 3 ways, for example, as 1373073025 + 1080042496 = 37055^2 + 32864^2 .

It is not a de Polignac number, because 2453115521 - 2¹⁰ = 2453114497 is a prime.

It is a super-2 number, since 2×2453115521² = 12035551518742202882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453115527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4243856 + ... + 4244433.

It is an arithmetic number, because the mean of its divisors is an integer number (434317505).

Almost surely, 2^2453115521 is an apocalyptic number.

It is an amenable number.

2453115521 is a deficient number, since it is larger than the sum of its proper divisors (152789509).

2453115521 is an equidigital number, since it uses as much as digits as its factorization.

2453115521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488323 (or 8488306 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 2453115521 is about 49528.9361989534. The cubic root of 2453115521 is about 1348.6709409118.

The spelling of 2453115521 in words is "two billion, four hundred fifty-three million, one hundred fifteen thousand, five hundred twenty-one".