30025164 has 48 divisors (see below), whose sum is σ = 75908448. Its totient is φ = 9182208.

The previous prime is 30025153. The next prime is 30025181. The reversal of 30025164 is 46152003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30025164.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30244 + ... + 31220.

It is an arithmetic number, because the mean of its divisors is an integer number (1581426).

Almost surely, 2^30025164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30025164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37954224).

30025164 is an abundant number, since it is smaller than the sum of its proper divisors (45883284).

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

30025164 is a wasteful number, since it uses less digits than its factorization.

30025164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30025164 is about 5479.5222419477. The cubic root of 30025164 is about 310.8101045364.

Adding to 30025164 its reverse (46152003), we get a palindrome (76177167).

The spelling of 30025164 in words is "thirty million, twenty-five thousand, one hundred sixty-four".