36417421 has 2 divisors, whose sum is σ = 36417422. Its totient is φ = 36417420.

The previous prime is 36417331. The next prime is 36417443. The reversal of 36417421 is 12471463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35832196 + 585225 = 5986^2 + 765^2 .

It is an emirp because it is prime and its reverse (12471463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36417421 - 2¹¹ = 36415373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36417421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36417481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18208710 + 18208711.

It is an arithmetic number, because the mean of its divisors is an integer number (18208711).

Almost surely, 2^36417421 is an apocalyptic number.

It is an amenable number.

36417421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36417421 is an equidigital number, since it uses as much as digits as its factorization.

36417421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 36417421 is about 6034.6848302128. The cubic root of 36417421 is about 331.4640218418.

Adding to 36417421 its reverse (12471463), we get a palindrome (48888884).

The spelling of 36417421 in words is "thirty-six million, four hundred seventeen thousand, four hundred twenty-one".