30245512 has 32 divisors (see below), whose sum is σ = 63312480. Its totient is φ = 13426560.

The previous prime is 30245477. The next prime is 30245513. The reversal of 30245512 is 21554203.

It is a super-2 number, since 2×30245512² = 1829581992284288, 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 (30245513) 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, 213 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1978515).

Almost surely, 2^30245512 is an apocalyptic number.

It is an amenable number.

30245512 is an abundant number, since it is smaller than the sum of its proper divisors (33066968).

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

30245512 is a wasteful number, since it uses less digits than its factorization.

30245512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053 (or 8049 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 30245512 is about 5499.5919848658. The cubic root of 30245512 is about 311.5685742121.

Adding to 30245512 its reverse (21554203), we get a palindrome (51799715).

It can be divided in two parts, 30 and 245512, that added together give a palindrome (245542).

The spelling of 30245512 in words is "thirty million, two hundred forty-five thousand, five hundred twelve".