546957491 has 2 divisors, whose sum is σ = 546957492. Its totient is φ = 546957490.

The previous prime is 546957451. The next prime is 546957493. The reversal of 546957491 is 194759645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 546957491 - 2²² = 542763187 is a prime.

It is a super-2 number, since 2×546957491² = 598324993922030162, which contains 22 as substring.

Together with 546957493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (546957493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273478745 + 273478746.

It is an arithmetic number, because the mean of its divisors is an integer number (273478746).

Almost surely, 2^546957491 is an apocalyptic number.

546957491 is a deficient number, since it is larger than the sum of its proper divisors (1).

546957491 is an equidigital number, since it uses as much as digits as its factorization.

546957491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The square root of 546957491 is about 23387.1223326000. The cubic root of 546957491 is about 817.8076929704.

The spelling of 546957491 in words is "five hundred forty-six million, nine hundred fifty-seven thousand, four hundred ninety-one".