2540675077 has 4 divisors (see below), whose sum is σ = 2540786976. Its totient is φ = 2540563180.

The previous prime is 2540675047. The next prime is 2540675087. The reversal of 2540675077 is 7705760452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2540675077 - 2¹¹ = 2540673029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540675047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8449 + ... + 71782.

It is an arithmetic number, because the mean of its divisors is an integer number (635196744).

Almost surely, 2^2540675077 is an apocalyptic number.

It is an amenable number.

2540675077 is a deficient number, since it is larger than the sum of its proper divisors (111899).

2540675077 is an equidigital number, since it uses as much as digits as its factorization.

2540675077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111898.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 2540675077 is about 50405.1096318617. The cubic root of 2540675077 is about 1364.5298558438.

The spelling of 2540675077 in words is "two billion, five hundred forty million, six hundred seventy-five thousand, seventy-seven".