541620457 has 4 divisors (see below), whose sum is σ = 618994816. Its totient is φ = 464246100.

The previous prime is 541620451. The next prime is 541620461. The reversal of 541620457 is 754026145.

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 a de Polignac number, because none of the positive numbers 2^k-541620457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541620451) 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, 38687169 + ... + 38687182.

It is an arithmetic number, because the mean of its divisors is an integer number (154748704).

Almost surely, 2^541620457 is an apocalyptic number.

It is an amenable number.

541620457 is a deficient number, since it is larger than the sum of its proper divisors (77374359).

541620457 is an equidigital number, since it uses as much as digits as its factorization.

541620457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77374358.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 541620457 is about 23272.7406422192. The cubic root of 541620457 is about 815.1390265545.

The spelling of 541620457 in words is "five hundred forty-one million, six hundred twenty thousand, four hundred fifty-seven".