36421057 has 4 divisors (see below), whose sum is σ = 36450436. Its totient is φ = 36391680.

The previous prime is 36421051. The next prime is 36421069. The reversal of 36421057 is 75012463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75012463 = 67 ⋅1119589.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 10042561 = 5136^2 + 3169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36421057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36421051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12744 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (9112609).

Almost surely, 2^36421057 is an apocalyptic number.

It is an amenable number.

36421057 is a deficient number, since it is larger than the sum of its proper divisors (29379).

36421057 is a wasteful number, since it uses less digits than its factorization.

36421057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29378.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 36421057 is about 6034.9860811770. The cubic root of 36421057 is about 331.4750528543.

The spelling of 36421057 in words is "thirty-six million, four hundred twenty-one thousand, fifty-seven".