36451261 has 16 divisors (see below), whose sum is σ = 45636480. Its totient is φ = 28284480.

The previous prime is 36451223. The next prime is 36451271. The reversal of 36451261 is 16215463.

It is not a de Polignac number, because 36451261 - 2¹⁵ = 36418493 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 (36451271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20475 + ... + 22183.

It is an arithmetic number, because the mean of its divisors is an integer number (2852280).

Almost surely, 2^36451261 is an apocalyptic number.

It is an amenable number.

36451261 is a deficient number, since it is larger than the sum of its proper divisors (9185219).

36451261 is a wasteful number, since it uses less digits than its factorization.

36451261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its digits is 4320, while the sum is 28.

The square root of 36451261 is about 6037.4879710025. The cubic root of 36451261 is about 331.5666583428.

The spelling of 36451261 in words is "thirty-six million, four hundred fifty-one thousand, two hundred sixty-one".