36801551 has 8 divisors (see below), whose sum is σ = 38140320. Its totient is φ = 35467488.

The previous prime is 36801539. The next prime is 36801553. The reversal of 36801551 is 15510863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36801551 - 2⁶ = 36801487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36801553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24710 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (4767540).

Almost surely, 2^36801551 is an apocalyptic number.

36801551 is a deficient number, since it is larger than the sum of its proper divisors (1338769).

36801551 is a wasteful number, since it uses less digits than its factorization.

36801551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 36801551 is about 6066.4281912836. The cubic root of 36801551 is about 332.6253726618.

The spelling of 36801551 in words is "thirty-six million, eight hundred one thousand, five hundred fifty-one".