36725261 has 4 divisors (see below), whose sum is σ = 37062300. Its totient is φ = 36388224.

The previous prime is 36725257. The next prime is 36725263. The reversal of 36725261 is 16252763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16252763 = 191 ⋅85093.

It can be written as a sum of positive squares in 2 ways, for example, as 32844361 + 3880900 = 5731^2 + 1970^2 .

It is a cyclic number.

It is not a de Polignac number, because 36725261 - 2² = 36725257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36725263) 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, 168356 + ... + 168573.

It is an arithmetic number, because the mean of its divisors is an integer number (9265575).

Almost surely, 2^36725261 is an apocalyptic number.

It is an amenable number.

36725261 is a deficient number, since it is larger than the sum of its proper divisors (337039).

36725261 is a wasteful number, since it uses less digits than its factorization.

36725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337038.

The product of its digits is 15120, while the sum is 32.

The square root of 36725261 is about 6060.1370446550. The cubic root of 36725261 is about 332.3953683630.

The spelling of 36725261 in words is "thirty-six million, seven hundred twenty-five thousand, two hundred sixty-one".