1252534563 has 32 divisors (see below), whose sum is σ = 2193830400. Its totient is φ = 691050528.

The previous prime is 1252534559. The next prime is 1252534567. The reversal of 1252534563 is 3654352521.

1252534563 is a `hidden beast` number, since 1 + 252 + 5 + 345 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (1252534559) and next prime (1252534567).

It is not a de Polignac number, because 1252534563 - 2² = 1252534559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252534567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108781 + ... + 119742.

It is an arithmetic number, because the mean of its divisors is an integer number (68557200).

Almost surely, 2^1252534563 is an apocalyptic number.

1252534563 is a deficient number, since it is larger than the sum of its proper divisors (941295837).

1252534563 is a wasteful number, since it uses less digits than its factorization.

1252534563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228568 (or 228562 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 1252534563 is about 35391.1650415750. The cubic root of 1252534563 is about 1077.9449268703.

The spelling of 1252534563 in words is "one billion, two hundred fifty-two million, five hundred thirty-four thousand, five hundred sixty-three".