2521061073 has 24 divisors (see below), whose sum is σ = 3803042880. Its totient is φ = 1606286880.

The previous prime is 2521061051. The next prime is 2521061111. The reversal of 2521061073 is 3701601252.

It is a happy number.

2521061073 is a `hidden beast` number, since 25 + 21 + 0 + 610 + 7 + 3 = 666.

It is not a de Polignac number, because 2521061073 - 2¹² = 2521056977 is a prime.

It is a super-2 number, since 2×2521061073² = 12711497867591822658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2521063073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281458 + ... + 290276.

It is an arithmetic number, because the mean of its divisors is an integer number (158460120).

Almost surely, 2^2521061073 is an apocalyptic number.

2521061073 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2521061073 is a deficient number, since it is larger than the sum of its proper divisors (1281981807).

2521061073 is a wasteful number, since it uses less digits than its factorization.

2521061073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229 (or 10226 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2521061073 is about 50210.1690198310. The cubic root of 2521061073 is about 1361.0093921158.

The spelling of 2521061073 in words is "two billion, five hundred twenty-one million, sixty-one thousand, seventy-three".