5457261587 has 2 divisors, whose sum is σ = 5457261588. Its totient is φ = 5457261586.

The previous prime is 5457261583. The next prime is 5457261629. The reversal of 5457261587 is 7851627545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5457261587 - 2² = 5457261583 is a prime.

It is not a weakly prime, because it can be changed into another prime (5457261583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728630793 + 2728630794.

It is an arithmetic number, because the mean of its divisors is an integer number (2728630794).

Almost surely, 2^5457261587 is an apocalyptic number.

5457261587 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457261587 is an equidigital number, since it uses as much as digits as its factorization.

5457261587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352000, while the sum is 50.

The square root of 5457261587 is about 73873.2806026645. The cubic root of 5457261587 is about 1760.5901071968.

The spelling of 5457261587 in words is "five billion, four hundred fifty-seven million, two hundred sixty-one thousand, five hundred eighty-seven".