36351421 has 2 divisors, whose sum is σ = 36351422. Its totient is φ = 36351420.

The previous prime is 36351349. The next prime is 36351433. The reversal of 36351421 is 12415363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 2595321 = 5810^2 + 1611^2 .

It is a cyclic number.

It is not a de Polignac number, because 36351421 - 2¹⁹ = 35827133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36351121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18175710 + 18175711.

It is an arithmetic number, because the mean of its divisors is an integer number (18175711).

Almost surely, 2^36351421 is an apocalyptic number.

It is an amenable number.

36351421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36351421 is an equidigital number, since it uses as much as digits as its factorization.

36351421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 36351421 is about 6029.2139620352. The cubic root of 36351421 is about 331.2636611905.

Adding to 36351421 its reverse (12415363), we get a palindrome (48766784).

The spelling of 36351421 in words is "thirty-six million, three hundred fifty-one thousand, four hundred twenty-one".