2535971651 has 16 divisors (see below), whose sum is σ = 2826736704. Its totient is φ = 2262779904.

The previous prime is 2535971639. The next prime is 2535971657. The reversal of 2535971651 is 1561795352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2535971651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2535971657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15485 + ... + 72881.

It is an arithmetic number, because the mean of its divisors is an integer number (176671044).

Almost surely, 2^2535971651 is an apocalyptic number.

2535971651 is a deficient number, since it is larger than the sum of its proper divisors (290765053).

2535971651 is a wasteful number, since it uses less digits than its factorization.

2535971651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57550.

The product of its digits is 283500, while the sum is 44.

The square root of 2535971651 is about 50358.4317766151. The cubic root of 2535971651 is about 1363.6873068485.

The spelling of 2535971651 in words is "two billion, five hundred thirty-five million, nine hundred seventy-one thousand, six hundred fifty-one".