36465421 has 2 divisors, whose sum is σ = 36465422. Its totient is φ = 36465420.

The previous prime is 36465413. The next prime is 36465449. The reversal of 36465421 is 12456463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 16564900 = 4461^2 + 4070^2 .

It is an emirp because it is prime and its reverse (12456463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36465421 - 2³ = 36465413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36465491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18232710 + 18232711.

It is an arithmetic number, because the mean of its divisors is an integer number (18232711).

Almost surely, 2^36465421 is an apocalyptic number.

It is an amenable number.

36465421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36465421 is an equidigital number, since it uses as much as digits as its factorization.

36465421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 36465421 is about 6038.6605302832. The cubic root of 36465421 is about 331.6095866800.

The spelling of 36465421 in words is "thirty-six million, four hundred sixty-five thousand, four hundred twenty-one".