636025061 has 8 divisors (see below), whose sum is σ = 735053760. Its totient is φ = 539038368.

The previous prime is 636025031. The next prime is 636025073. The reversal of 636025061 is 160520636.

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 636025061 - 2¹⁴ = 636008677 is a prime.

It is a super-3 number, since 3×636025061³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636025001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509831 + ... + 511076.

It is an arithmetic number, because the mean of its divisors is an integer number (91881720).

Almost surely, 2^636025061 is an apocalyptic number.

It is an amenable number.

636025061 is a deficient number, since it is larger than the sum of its proper divisors (99028699).

636025061 is a wasteful number, since it uses less digits than its factorization.

636025061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021003.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 636025061 is about 25219.5372875872. The cubic root of 636025061 is about 859.9860557501.

Adding to 636025061 its reverse (160520636), we get a palindrome (796545697).

The spelling of 636025061 in words is "six hundred thirty-six million, twenty-five thousand, sixty-one".