30252530 has 64 divisors (see below), whose sum is σ = 68739840. Its totient is φ = 9312000.

The previous prime is 30252529. The next prime is 30252581. The reversal of 30252530 is 3525203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77576 + ... + 77964.

It is an arithmetic number, because the mean of its divisors is an integer number (1074060).

Almost surely, 2^30252530 is an apocalyptic number.

30252530 is an abundant number, since it is smaller than the sum of its proper divisors (38487310).

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

30252530 is a wasteful number, since it uses less digits than its factorization.

30252530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30252530 is about 5500.2299951911. The cubic root of 30252530 is about 311.5926705601.

Adding to 30252530 its reverse (3525203), we get a palindrome (33777733).

It can be divided in two parts, 3025 and 2530, that added together give a palindrome (5555).

The spelling of 30252530 in words is "thirty million, two hundred fifty-two thousand, five hundred thirty".