42924641 has 2 divisors, whose sum is σ = 42924642. Its totient is φ = 42924640.

The previous prime is 42924631. The next prime is 42924649. The reversal of 42924641 is 14642924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42837025 + 87616 = 6545^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 42924641 - 2²² = 38730337 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42924598 and 42924607.

It is not a weakly prime, because it can be changed into another prime (42924649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21462320 + 21462321.

It is an arithmetic number, because the mean of its divisors is an integer number (21462321).

Almost surely, 2^42924641 is an apocalyptic number.

It is an amenable number.

42924641 is a deficient number, since it is larger than the sum of its proper divisors (1).

42924641 is an equidigital number, since it uses as much as digits as its factorization.

42924641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 42924641 is about 6551.6899346657. The cubic root of 42924641 is about 350.1350254533.

The spelling of 42924641 in words is "forty-two million, nine hundred twenty-four thousand, six hundred forty-one".