1252863053 has 8 divisors (see below), whose sum is σ = 1372106400. Its totient is φ = 1136886768.

The previous prime is 1252863049. The next prime is 1252863071. The reversal of 1252863053 is 3503682521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252863053 - 2² = 1252863049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252863013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815963 + ... + 817496.

It is an arithmetic number, because the mean of its divisors is an integer number (171513300).

Almost surely, 2^1252863053 is an apocalyptic number.

1252863053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1252863053 is a deficient number, since it is larger than the sum of its proper divisors (119243347).

1252863053 is a wasteful number, since it uses less digits than its factorization.

1252863053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633531.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1252863053 is about 35395.8055848430. The cubic root of 1252863053 is about 1078.0391526609.

The spelling of 1252863053 in words is "one billion, two hundred fifty-two million, eight hundred sixty-three thousand, fifty-three".