2161310527 has 2 divisors, whose sum is σ = 2161310528. Its totient is φ = 2161310526.

The previous prime is 2161310507. The next prime is 2161310537. The reversal of 2161310527 is 7250131612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2161310527 - 2²³ = 2152921919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2161310495 and 2161310504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161310507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080655263 + 1080655264.

It is an arithmetic number, because the mean of its divisors is an integer number (1080655264).

Almost surely, 2^2161310527 is an apocalyptic number.

2161310527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161310527 is an equidigital number, since it uses as much as digits as its factorization.

2161310527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2161310527 is about 46489.8970422607. The cubic root of 2161310527 is about 1292.9221912418.

The spelling of 2161310527 in words is "two billion, one hundred sixty-one million, three hundred ten thousand, five hundred twenty-seven".