36787251 has 4 divisors (see below), whose sum is σ = 49049672. Its totient is φ = 24524832.

The previous prime is 36787243. The next prime is 36787259. The reversal of 36787251 is 15278763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15278763 = 3 ⋅5092921.

It is an interprime number because it is at equal distance from previous prime (36787243) and next prime (36787259).

It is not a de Polignac number, because 36787251 - 2³ = 36787243 is a prime.

It is a super-2 number, since 2×36787251² = 2706603672274002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36787259) 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 3 ways as a sum of consecutive naturals, for example, 6131206 + ... + 6131211.

It is an arithmetic number, because the mean of its divisors is an integer number (12262418).

Almost surely, 2^36787251 is an apocalyptic number.

36787251 is a deficient number, since it is larger than the sum of its proper divisors (12262421).

36787251 is a wasteful number, since it uses less digits than its factorization.

36787251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262420.

The product of its digits is 70560, while the sum is 39.

The square root of 36787251 is about 6065.2494590083. The cubic root of 36787251 is about 332.5822842691.

The spelling of 36787251 in words is "thirty-six million, seven hundred eighty-seven thousand, two hundred fifty-one".