36148261 has 4 divisors (see below), whose sum is σ = 36196524. Its totient is φ = 36100000.

The previous prime is 36148253. The next prime is 36148303. The reversal of 36148261 is 16284163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16284163 = 7 ⋅2326309.

It can be written as a sum of positive squares in 2 ways, for example, as 7257636 + 28890625 = 2694^2 + 5375^2 .

It is a 5-Lehmer number, since φ(36148261) divides (36148261-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 36148261 - 2³ = 36148253 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36146261) 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, 22990 + ... + 24511.

It is an arithmetic number, because the mean of its divisors is an integer number (9049131).

Almost surely, 2^36148261 is an apocalyptic number.

It is an amenable number.

36148261 is a deficient number, since it is larger than the sum of its proper divisors (48263).

36148261 is an equidigital number, since it uses as much as digits as its factorization.

36148261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48262.

The product of its digits is 6912, while the sum is 31.

The square root of 36148261 is about 6012.3423887866. The cubic root of 36148261 is about 330.6453883389.

The spelling of 36148261 in words is "thirty-six million, one hundred forty-eight thousand, two hundred sixty-one".