1252527539 has 8 divisors (see below), whose sum is σ = 1258944000. Its totient is φ = 1246121352.

The previous prime is 1252527533. The next prime is 1252527559. The reversal of 1252527539 is 9357252521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252527539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252527496 and 1252527505.

It is not an unprimeable number, because it can be changed into a prime (1252527533) 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, 375722 + ... + 379040.

It is an arithmetic number, because the mean of its divisors is an integer number (157368000).

Almost surely, 2^1252527539 is an apocalyptic number.

1252527539 is a deficient number, since it is larger than the sum of its proper divisors (6416461).

1252527539 is a wasteful number, since it uses less digits than its factorization.

1252527539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5137.

The product of its digits is 189000, while the sum is 41.

The square root of 1252527539 is about 35391.0658076300. The cubic root of 1252527539 is about 1077.9429118894.

The spelling of 1252527539 in words is "one billion, two hundred fifty-two million, five hundred twenty-seven thousand, five hundred thirty-nine".