36143725 has 6 divisors (see below), whose sum is σ = 44818250. Its totient is φ = 28914960.

The previous prime is 36143711. The next prime is 36143743. The reversal of 36143725 is 52734163.

It can be written as a sum of positive squares in 3 ways, for example, as 8874441 + 27269284 = 2979^2 + 5222^2 .

It is not a de Polignac number, because 36143725 - 2⁹ = 36143213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722850 + ... + 722899.

Almost surely, 2^36143725 is an apocalyptic number.

It is an amenable number.

36143725 is a deficient number, since it is larger than the sum of its proper divisors (8674525).

36143725 is a wasteful number, since it uses less digits than its factorization.

36143725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445759 (or 1445754 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 36143725 is about 6011.9651529263. The cubic root of 36143725 is about 330.6315576117.

Adding to 36143725 its reverse (52734163), we get a palindrome (88877888).

The spelling of 36143725 in words is "thirty-six million, one hundred forty-three thousand, seven hundred twenty-five".