630085511 has 8 divisors (see below), whose sum is σ = 688207104. Its totient is φ = 572104120.

The previous prime is 630085451. The next prime is 630085517. The reversal of 630085511 is 115580036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630085511 is a prime.

It is a super-2 number, since 2×630085511² = 794015502344262242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630085517) 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, 25535 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (86025888).

Almost surely, 2^630085511 is an apocalyptic number.

630085511 is a deficient number, since it is larger than the sum of its proper divisors (58121593).

630085511 is a wasteful number, since it uses less digits than its factorization.

630085511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70101.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 630085511 is about 25101.5041581177. The cubic root of 630085511 is about 857.3006723609.

The spelling of 630085511 in words is "six hundred thirty million, eighty-five thousand, five hundred eleven".