1308463253 has 4 divisors (see below), whose sum is σ = 1377329760. Its totient is φ = 1239596748.

The previous prime is 1308463249. The next prime is 1308463309. The reversal of 1308463253 is 3523648031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1308463253 - 2² = 1308463249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308463213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34433225 + ... + 34433262.

It is an arithmetic number, because the mean of its divisors is an integer number (344332440).

Almost surely, 2^1308463253 is an apocalyptic number.

It is an amenable number.

1308463253 is a deficient number, since it is larger than the sum of its proper divisors (68866507).

1308463253 is an equidigital number, since it uses as much as digits as its factorization.

1308463253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68866506.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1308463253 is about 36172.6865604423. The cubic root of 1308463253 is about 1093.7561553591.

The spelling of 1308463253 in words is "one billion, three hundred eight million, four hundred sixty-three thousand, two hundred fifty-three".