30503253413225 has 6 divisors (see below), whose sum is σ = 37824034232430. Its totient is φ = 24402602730560.

The previous prime is 30503253413209. The next prime is 30503253413293. The reversal of 30503253413225 is 52231435230503.

It can be written as a sum of positive squares in 3 ways, for example, as 6853735505296 + 23649517907929 = 2617964^2 + 4863077^2 .

It is not a de Polignac number, because 30503253413225 - 2⁴ = 30503253413209 is a prime.

It is a super-2 number, since 2×30503253413225² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610065068240 + ... + 610065068289.

It is an arithmetic number, because the mean of its divisors is an integer number (6304005705405).

Almost surely, 2^{30503253413225} is an apocalyptic number.

It is an amenable number.

30503253413225 is a deficient number, since it is larger than the sum of its proper divisors (7320780819205).

30503253413225 is a wasteful number, since it uses less digits than its factorization.

30503253413225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220130136539 (or 1220130136534 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 30503253413225 its reverse (52231435230503), we get a palindrome (82734688643728).

The spelling of 30503253413225 in words is "thirty trillion, five hundred three billion, two hundred fifty-three million, four hundred thirteen thousand, two hundred twenty-five".