42203061 has 12 divisors (see below), whose sum is σ = 64546092. Its totient is φ = 26480256.

The previous prime is 42203053. The next prime is 42203069. The reversal of 42203061 is 16030224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42203053) and next prime (42203069).

It can be written as a sum of positive squares in 2 ways, for example, as 16892100 + 25310961 = 4110^2 + 5031^2 .

It is not a de Polignac number, because 42203061 - 2³ = 42203053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137766 + ... + 138071.

It is an arithmetic number, because the mean of its divisors is an integer number (5378841).

Almost surely, 2^42203061 is an apocalyptic number.

It is an amenable number.

42203061 is a deficient number, since it is larger than the sum of its proper divisors (22343031).

42203061 is a wasteful number, since it uses less digits than its factorization.

42203061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275860 (or 275857 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 42203061 is about 6496.3883042811. The cubic root of 42203061 is about 348.1619588974.

Adding to 42203061 its reverse (16030224), we get a palindrome (58233285).

The spelling of 42203061 in words is "forty-two million, two hundred three thousand, sixty-one".