30525250505 has 64 divisors (see below), whose sum is σ = 40053242880. Its totient is φ = 22281369600.

The previous prime is 30525250487. The next prime is 30525250513. The reversal of 30525250505 is 50505252503.

It is not a de Polignac number, because 30525250505 - 2¹⁰ = 30525249481 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29896895 + ... + 29897915.

It is an arithmetic number, because the mean of its divisors is an integer number (625831920).

Almost surely, 2^30525250505 is an apocalyptic number.

It is an amenable number.

30525250505 is a deficient number, since it is larger than the sum of its proper divisors (9527992375).

30525250505 is a wasteful number, since it uses less digits than its factorization.

30525250505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 30525250505 in words is "thirty billion, five hundred twenty-five million, two hundred fifty thousand, five hundred five".