36451001 has 4 divisors (see below), whose sum is σ = 36812004. Its totient is φ = 36090000.

The previous prime is 36450989. The next prime is 36451007. The reversal of 36451001 is 10015463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31091776 + 5359225 = 5576^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 36451001 - 2⁶ = 36450937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36451007) 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, 180350 + ... + 180551.

It is an arithmetic number, because the mean of its divisors is an integer number (9203001).

Almost surely, 2^36451001 is an apocalyptic number.

It is an amenable number.

36451001 is a deficient number, since it is larger than the sum of its proper divisors (361003).

36451001 is a wasteful number, since it uses less digits than its factorization.

36451001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361002.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 36451001 is about 6037.4664388301. The cubic root of 36451001 is about 331.5658700067.

Adding to 36451001 its reverse (10015463), we get a palindrome (46466464).

The spelling of 36451001 in words is "thirty-six million, four hundred fifty-one thousand, one".