30508485 has 16 divisors (see below), whose sum is σ = 55787136. Its totient is φ = 13946688.

The previous prime is 30508483. The next prime is 30508507. The reversal of 30508485 is 58480503.

It is a happy number.

It is not a de Polignac number, because 30508485 - 2¹ = 30508483 is a prime.

It is a super-3 number, since 3×30508485³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30508483) 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, 145174 + ... + 145383.

It is an arithmetic number, because the mean of its divisors is an integer number (3486696).

Almost surely, 2^30508485 is an apocalyptic number.

30508485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30508485 is a deficient number, since it is larger than the sum of its proper divisors (25278651).

30508485 is a wasteful number, since it uses less digits than its factorization.

30508485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290572.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 30508485 is about 5523.4486509788. The cubic root of 30508485 is about 312.4689590501.

Adding to 30508485 its reverse (58480503), we get a palindrome (88988988).

The spelling of 30508485 in words is "thirty million, five hundred eight thousand, four hundred eighty-five".