36251091 has 8 divisors (see below), whose sum is σ = 53705360. Its totient is φ = 24167376.

The previous prime is 36251081. The next prime is 36251101. The reversal of 36251091 is 19015263.

36251091 is a `hidden beast` number, since 3 + 62 + 510 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (36251081) and next prime (36251101).

It is not a de Polignac number, because 36251091 - 2¹⁴ = 36234707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1342633 = 36251091 / (3 + 6 + 2 + 5 + 1 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36251041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671290 + ... + 671343.

It is an arithmetic number, because the mean of its divisors is an integer number (6713170).

Almost surely, 2^36251091 is an apocalyptic number.

36251091 is a deficient number, since it is larger than the sum of its proper divisors (17454269).

36251091 is a wasteful number, since it uses less digits than its factorization.

36251091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342642 (or 1342636 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 36251091 is about 6020.8878913330. The cubic root of 36251091 is about 330.9586175724.

The spelling of 36251091 in words is "thirty-six million, two hundred fifty-one thousand, ninety-one".