2101252527 has 24 divisors (see below), whose sum is σ = 3322891728. Its totient is φ = 1268937600.

The previous prime is 2101252523. The next prime is 2101252537. The reversal of 2101252527 is 7252521012.

2101252527 is a `hidden beast` number, since 2 + 10 + 125 + 2 + 527 = 666.

It is not a de Polignac number, because 2101252527 - 2² = 2101252523 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2101252527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101252523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9948 + ... + 65585.

It is an arithmetic number, because the mean of its divisors is an integer number (138453822).

Almost surely, 2^2101252527 is an apocalyptic number.

2101252527 is a deficient number, since it is larger than the sum of its proper divisors (1221639201).

2101252527 is a wasteful number, since it uses less digits than its factorization.

2101252527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75831 (or 75828 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2101252527 is about 45839.4211023656. The cubic root of 2101252527 is about 1280.8337112091.

Adding to 2101252527 its reverse (7252521012), we get a palindrome (9353773539).

The spelling of 2101252527 in words is "two billion, one hundred one million, two hundred fifty-two thousand, five hundred twenty-seven".