30521253254 has 16 divisors (see below), whose sum is σ = 46586482560. Its totient is φ = 14993007360.

The previous prime is 30521253247. The next prime is 30521253271. The reversal of 30521253254 is 45235212503.

It is a self number, because there is not a number n which added to its sum of digits gives 30521253254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39659 + ... + 250230.

It is an arithmetic number, because the mean of its divisors is an integer number (2911655160).

Almost surely, 2^30521253254 is an apocalyptic number.

30521253254 is a deficient number, since it is larger than the sum of its proper divisors (16065229306).

30521253254 is a wasteful number, since it uses less digits than its factorization.

30521253254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290815.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 30521253254 its reverse (45235212503), we get a palindrome (75756465757).

The spelling of 30521253254 in words is "thirty billion, five hundred twenty-one million, two hundred fifty-three thousand, two hundred fifty-four".