30625260 has 48 divisors (see below), whose sum is σ = 86528736. Its totient is φ = 8092672.

The previous prime is 30625253. The next prime is 30625261. The reversal of 30625260 is 6252603.

It is a self number, because there is not a number n which added to its sum of digits gives 30625260.

It is not an unprimeable number, because it can be changed into a prime (30625261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4522 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (1802682).

Almost surely, 2^30625260 is an apocalyptic number.

30625260 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30625260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43264368).

30625260 is an abundant number, since it is smaller than the sum of its proper divisors (55903476).

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

30625260 is a wasteful number, since it uses less digits than its factorization.

30625260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30625260 is about 5534.0093964503. The cubic root of 30625260 is about 312.8671226715.

Adding to 30625260 its reverse (6252603), we get a palindrome (36877863).

The spelling of 30625260 in words is "thirty million, six hundred twenty-five thousand, two hundred sixty".