10420537 has 2 divisors, whose sum is σ = 10420538. Its totient is φ = 10420536.

The previous prime is 10420499. The next prime is 10420547. The reversal of 10420537 is 73502401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5308416 + 5112121 = 2304^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420537 - 2¹¹ = 10418489 is a prime.

It is not a weakly prime, because it can be changed into another prime (10420547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210268 + 5210269.

It is an arithmetic number, because the mean of its divisors is an integer number (5210269).

Almost surely, 2^10420537 is an apocalyptic number.

It is an amenable number.

10420537 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420537 is an equidigital number, since it uses as much as digits as its factorization.

10420537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 10420537 is about 3228.0856556170. The cubic root of 10420537 is about 218.4221612155.

Adding to 10420537 its reverse (73502401), we get a palindrome (83922938).

The spelling of 10420537 in words is "ten million, four hundred twenty thousand, five hundred thirty-seven".