42262501 has 2 divisors, whose sum is σ = 42262502. Its totient is φ = 42262500.

The previous prime is 42262499. The next prime is 42262531. The reversal of 42262501 is 10526224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 3511876 = 6225^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262501 - 2¹ = 42262499 is a prime.

It is a super-2 number, since 2×42262501² = 3572237981550002, which contains 22 as substring.

Together with 42262499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42262531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131250 + 21131251.

It is an arithmetic number, because the mean of its divisors is an integer number (21131251).

Almost surely, 2^42262501 is an apocalyptic number.

It is an amenable number.

42262501 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262501 is an equidigital number, since it uses as much as digits as its factorization.

42262501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42262501 is about 6500.9615442640. The cubic root of 42262501 is about 348.3253359783.

Adding to 42262501 its reverse (10526224), we get a palindrome (52788725).

The spelling of 42262501 in words is "forty-two million, two hundred sixty-two thousand, five hundred one".