630033250 has 128 divisors (see below), whose sum is σ = 1535459328. Its totient is φ = 187704000.

The previous prime is 630033233. The next prime is 630033251. The reversal of 630033250 is 52330036.

It is a super-2 number, since 2×630033250² = 793883792211125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (630033251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442039 + ... + 443461.

It is an arithmetic number, because the mean of its divisors is an integer number (11995776).

Almost surely, 2^630033250 is an apocalyptic number.

630033250 is an abundant number, since it is smaller than the sum of its proper divisors (905426078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630033250 is a wasteful number, since it uses less digits than its factorization.

630033250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 630033250 is about 25100.4631431374. The cubic root of 630033250 is about 857.2769694252.

Adding to 630033250 its reverse (52330036), we get a palindrome (682363286).

The spelling of 630033250 in words is "six hundred thirty million, thirty-three thousand, two hundred fifty".