2757023531 has 4 divisors (see below), whose sum is σ = 2785446552. Its totient is φ = 2728600512.

The previous prime is 2757023509. The next prime is 2757023543. The reversal of 2757023531 is 1353207572.

2757023531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2757023531 is a prime.

It is a super-2 number, since 2×2757023531² = 15202357500975415922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2757023491 and 2757023500.

It is not an unprimeable number, because it can be changed into a prime (2757023231) 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, 14211365 + ... + 14211558.

It is an arithmetic number, because the mean of its divisors is an integer number (696361638).

Almost surely, 2^2757023531 is an apocalyptic number.

2757023531 is a deficient number, since it is larger than the sum of its proper divisors (28423021).

2757023531 is an equidigital number, since it uses as much as digits as its factorization.

2757023531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28423020.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 2757023531 is about 52507.3664450999. The cubic root of 2757023531 is about 1402.2113913484.

The spelling of 2757023531 in words is "two billion, seven hundred fifty-seven million, twenty-three thousand, five hundred thirty-one".