36530421 has 12 divisors (see below), whose sum is σ = 49841472. Its totient is φ = 23788624.

The previous prime is 36530413. The next prime is 36530449. The reversal of 36530421 is 12403563.

It is a happy number.

It is not a de Polignac number, because 36530421 - 2³ = 36530413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36530391 and 36530400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36530411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71515 + ... + 72023.

It is an arithmetic number, because the mean of its divisors is an integer number (4153456).

Almost surely, 2^36530421 is an apocalyptic number.

It is an amenable number.

36530421 is a deficient number, since it is larger than the sum of its proper divisors (13311051).

36530421 is an frugal number, since it uses more digits than its factorization.

36530421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 36530421 is about 6044.0401223023. The cubic root of 36530421 is about 331.8065022610.

Adding to 36530421 its reverse (12403563), we get a palindrome (48933984).

The spelling of 36530421 in words is "thirty-six million, five hundred thirty thousand, four hundred twenty-one".