36625639 has 2 divisors, whose sum is σ = 36625640. Its totient is φ = 36625638.

The previous prime is 36625627. The next prime is 36625661. The reversal of 36625639 is 93652663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36625639 - 2¹¹ = 36623591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36625619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18312819 + 18312820.

It is an arithmetic number, because the mean of its divisors is an integer number (18312820).

Almost surely, 2^36625639 is an apocalyptic number.

36625639 is a deficient number, since it is larger than the sum of its proper divisors (1).

36625639 is an equidigital number, since it uses as much as digits as its factorization.

36625639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 40.

The square root of 36625639 is about 6051.9120119182. The cubic root of 36625639 is about 332.0945411069.

The spelling of 36625639 in words is "thirty-six million, six hundred twenty-five thousand, six hundred thirty-nine".