42763241 has 4 divisors (see below), whose sum is σ = 42999684. Its totient is φ = 42526800.

The previous prime is 42763183. The next prime is 42763261. The reversal of 42763241 is 14236724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17472400 + 25290841 = 4180^2 + 5029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42763241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42763261) 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, 117950 + ... + 118311.

It is an arithmetic number, because the mean of its divisors is an integer number (10749921).

Almost surely, 2^42763241 is an apocalyptic number.

It is an amenable number.

42763241 is a deficient number, since it is larger than the sum of its proper divisors (236443).

42763241 is a wasteful number, since it uses less digits than its factorization.

42763241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236442.

The product of its digits is 8064, while the sum is 29.

The square root of 42763241 is about 6539.3609014949. The cubic root of 42763241 is about 349.6956292642.

Adding to 42763241 its reverse (14236724), we get a palindrome (56999965).

The spelling of 42763241 in words is "forty-two million, seven hundred sixty-three thousand, two hundred forty-one".