5457641 has 4 divisors (see below), whose sum is σ = 6237312. Its totient is φ = 4677972.

The previous prime is 5457637. The next prime is 5457653. The reversal of 5457641 is 1467545.

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.

It is a cyclic number.

It is not a de Polignac number, because 5457641 - 2² = 5457637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5457598 and 5457607.

It is not an unprimeable number, because it can be changed into a prime (5457671) 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, 389825 + ... + 389838.

It is an arithmetic number, because the mean of its divisors is an integer number (1559328).

Almost surely, 2^5457641 is an apocalyptic number.

It is an amenable number.

5457641 is a deficient number, since it is larger than the sum of its proper divisors (779671).

5457641 is an equidigital number, since it uses as much as digits as its factorization.

5457641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779670.

The product of its digits is 16800, while the sum is 32.

The square root of 5457641 is about 2336.1594551742. The cubic root of 5457641 is about 176.0630907592.

The spelling of 5457641 in words is "five million, four hundred fifty-seven thousand, six hundred forty-one".