36071521 has 8 divisors (see below), whose sum is σ = 37975680. Its totient is φ = 34195392.

The previous prime is 36071509. The next prime is 36071533. The reversal of 36071521 is 12517063.

It is an interprime number because it is at equal distance from previous prime (36071509) and next prime (36071533).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36071521 - 2⁵ = 36071489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36071561) 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, 4341 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (4746960).

Almost surely, 2^36071521 is an apocalyptic number.

It is an amenable number.

36071521 is a deficient number, since it is larger than the sum of its proper divisors (1904159).

36071521 is a wasteful number, since it uses less digits than its factorization.

36071521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 36071521 is about 6005.9571260541. The cubic root of 36071521 is about 330.4112442603.

Adding to 36071521 its reverse (12517063), we get a palindrome (48588584).

The spelling of 36071521 in words is "thirty-six million, seventy-one thousand, five hundred twenty-one".