2540323053 has 10 divisors (see below), whose sum is σ = 3794803694. Its totient is φ = 1693548648.

The previous prime is 2540323043. The next prime is 2540323061. The reversal of 2540323053 is 3503230452.

2540323053 is a `hidden beast` number, since 25 + 403 + 230 + 5 + 3 = 666.

2540323053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2277007524 + 263315529 = 47718^2 + 16227^2 .

It is not a de Polignac number, because 2540323053 - 2¹⁷ = 2540191981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540323033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15680926 + ... + 15681087.

Almost surely, 2^2540323053 is an apocalyptic number.

It is an amenable number.

2540323053 is a deficient number, since it is larger than the sum of its proper divisors (1254480641).

2540323053 is an equidigital number, since it uses as much as digits as its factorization.

2540323053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31362025 (or 31362016 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 2540323053 is about 50401.6175633283. The cubic root of 2540323053 is about 1364.4668319846.

The spelling of 2540323053 in words is "two billion, five hundred forty million, three hundred twenty-three thousand, fifty-three".