1252525671 has 24 divisors (see below), whose sum is σ = 1838843760. Its totient is φ = 821373696.

The previous prime is 1252525669. The next prime is 1252525717. The reversal of 1252525671 is 1765252521.

1252525671 is a `hidden beast` number, since 12 + 52 + 525 + 6 + 71 = 666.

It is not a de Polignac number, because 1252525671 - 2¹ = 1252525669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252325671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667791 + ... + 669663.

It is an arithmetic number, because the mean of its divisors is an integer number (76618490).

Almost surely, 2^1252525671 is an apocalyptic number.

1252525671 is a deficient number, since it is larger than the sum of its proper divisors (586318089).

1252525671 is a wasteful number, since it uses less digits than its factorization.

1252525671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3052 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 1252525671 is about 35391.0394167789. The cubic root of 1252525671 is about 1077.9423760134.

The spelling of 1252525671 in words is "one billion, two hundred fifty-two million, five hundred twenty-five thousand, six hundred seventy-one".