42357461 has 2 divisors, whose sum is σ = 42357462. Its totient is φ = 42357460.

The previous prime is 42357449. The next prime is 42357499. The reversal of 42357461 is 16475324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 42436 = 6505^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 42357461 - 2¹⁰ = 42356437 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_2568074 and since 42357461 and 2568074 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42357401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178730 + 21178731.

It is an arithmetic number, because the mean of its divisors is an integer number (21178731).

Almost surely, 2^42357461 is an apocalyptic number.

It is an amenable number.

42357461 is a deficient number, since it is larger than the sum of its proper divisors (1).

42357461 is an equidigital number, since it uses as much as digits as its factorization.

42357461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 42357461 is about 6508.2609812453. The cubic root of 42357461 is about 348.5860259544.

The spelling of 42357461 in words is "forty-two million, three hundred fifty-seven thousand, four hundred sixty-one".