42848561 has 4 divisors (see below), whose sum is σ = 48969792. Its totient is φ = 36727332.

The previous prime is 42848549. The next prime is 42848587. The reversal of 42848561 is 16584824.

It is a happy number.

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 42848561 - 2⁶ = 42848497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42848521) 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, 3060605 + ... + 3060618.

It is an arithmetic number, because the mean of its divisors is an integer number (12242448).

Almost surely, 2^42848561 is an apocalyptic number.

It is an amenable number.

42848561 is a deficient number, since it is larger than the sum of its proper divisors (6121231).

42848561 is an equidigital number, since it uses as much as digits as its factorization.

42848561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121230.

The product of its digits is 61440, while the sum is 38.

The square root of 42848561 is about 6545.8812240981. The cubic root of 42848561 is about 349.9280423499.

The spelling of 42848561 in words is "forty-two million, eight hundred forty-eight thousand, five hundred sixty-one".