36412261 has 4 divisors (see below), whose sum is σ = 36542124. Its totient is φ = 36282400.

The previous prime is 36412253. The next prime is 36412267. The reversal of 36412261 is 16221463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 28037025 = 2894^2 + 5295^2 .

It is a cyclic number.

It is not a de Polignac number, because 36412261 - 2³ = 36412253 is a prime.

It is a super-2 number, since 2×36412261² = 2651705502264242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36412267) 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, 64510 + ... + 65071.

It is an arithmetic number, because the mean of its divisors is an integer number (9135531).

Almost surely, 2^36412261 is an apocalyptic number.

It is an amenable number.

36412261 is a deficient number, since it is larger than the sum of its proper divisors (129863).

36412261 is a wasteful number, since it uses less digits than its factorization.

36412261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129862.

The product of its digits is 1728, while the sum is 25.

The square root of 36412261 is about 6034.2572865267. The cubic root of 36412261 is about 331.4483660092.

The spelling of 36412261 in words is "thirty-six million, four hundred twelve thousand, two hundred sixty-one".