1263563252 has 24 divisors (see below), whose sum is σ = 2529428160. Its totient is φ = 541033920.

The previous prime is 1263563243. The next prime is 1263563261. The reversal of 1263563252 is 2523653621.

It is an interprime number because it is at equal distance from previous prime (1263563243) and next prime (1263563261).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11627 + ... + 51597.

It is an arithmetic number, because the mean of its divisors is an integer number (105392840).

Almost surely, 2^1263563252 is an apocalyptic number.

It is an amenable number.

1263563252 is an abundant number, since it is smaller than the sum of its proper divisors (1265864908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263563252 is a wasteful number, since it uses less digits than its factorization.

1263563252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41111 (or 41109 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 1263563252 is about 35546.6348899583. The cubic root of 1263563252 is about 1081.0994895714.

The spelling of 1263563252 in words is "one billion, two hundred sixty-three million, five hundred sixty-three thousand, two hundred fifty-two".