30001303253 has 2 divisors, whose sum is σ = 30001303254. Its totient is φ = 30001303252.

The previous prime is 30001303249. The next prime is 30001303301. The reversal of 30001303253 is 35230310003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25781761489 + 4219541764 = 160567^2 + 64958^2 .

It is a cyclic number.

It is not a de Polignac number, because 30001303253 - 2² = 30001303249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30001300253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000651626 + 15000651627.

It is an arithmetic number, because the mean of its divisors is an integer number (15000651627).

Almost surely, 2^30001303253 is an apocalyptic number.

It is an amenable number.

30001303253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001303253 is an equidigital number, since it uses as much as digits as its factorization.

30001303253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 30001303253 its reverse (35230310003), we get a palindrome (65231613256).

The spelling of 30001303253 in words is "thirty billion, one million, three hundred three thousand, two hundred fifty-three".