30524121 has 10 divisors (see below), whose sum is σ = 45597882. Its totient is φ = 20349360.

The previous prime is 30524113. The next prime is 30524141. The reversal of 30524121 is 12142503.

It can be written as a sum of positive squares in only one way, i.e., 29648025 + 876096 = 5445^2 + 936^2 .

It is not a de Polignac number, because 30524121 - 2³ = 30524113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30524094 and 30524103.

It is not an unprimeable number, because it can be changed into a prime (30524101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 188340 + ... + 188501.

Almost surely, 2^30524121 is an apocalyptic number.

It is an amenable number.

30524121 is a deficient number, since it is larger than the sum of its proper divisors (15073761).

30524121 is an equidigital number, since it uses as much as digits as its factorization.

30524121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376853 (or 376844 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30524121 is about 5524.8638897262. The cubic root of 30524121 is about 312.5223314175.

Adding to 30524121 its reverse (12142503), we get a palindrome (42666624).

The spelling of 30524121 in words is "thirty million, five hundred twenty-four thousand, one hundred twenty-one".