1632541697 has 2 divisors, whose sum is σ = 1632541698. Its totient is φ = 1632541696.

The previous prime is 1632541681. The next prime is 1632541699. The reversal of 1632541697 is 7961452361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397563456 + 234978241 = 37384^2 + 15329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632541697 - 2⁴ = 1632541681 is a prime.

Together with 1632541699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1632541699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816270848 + 816270849.

It is an arithmetic number, because the mean of its divisors is an integer number (816270849).

Almost surely, 2^1632541697 is an apocalyptic number.

It is an amenable number.

1632541697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1632541697 is an equidigital number, since it uses as much as digits as its factorization.

1632541697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 1632541697 is about 40404.7236966175. The cubic root of 1632541697 is about 1177.4833121659.

The spelling of 1632541697 in words is "one billion, six hundred thirty-two million, five hundred forty-one thousand, six hundred ninety-seven".