30253002536 has 16 divisors (see below), whose sum is σ = 58680393300. Its totient is φ = 14604897664.

The previous prime is 30253002457. The next prime is 30253002539. The reversal of 30253002536 is 63520035203.

It can be written as a sum of positive squares in 2 ways, for example, as 28796053636 + 1456948900 = 169694^2 + 38170^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 30253002499 and 30253002508.

It is not an unprimeable number, because it can be changed into a prime (30253002539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65200205 + ... + 65200668.

Almost surely, 2^30253002536 is an apocalyptic number.

It is an amenable number.

30253002536 is a deficient number, since it is larger than the sum of its proper divisors (28427390764).

30253002536 is a wasteful number, since it uses less digits than its factorization.

30253002536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130400908 (or 130400904 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 30253002536 its reverse (63520035203), we get a palindrome (93773037739).

The spelling of 30253002536 in words is "thirty billion, two hundred fifty-three million, two thousand, five hundred thirty-six".