853131001 has 2 divisors, whose sum is σ = 853131002. Its totient is φ = 853131000.

The previous prime is 853130977. The next prime is 853131007. The reversal of 853131001 is 100131358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744471225 + 108659776 = 27285^2 + 10424^2 .

It is a cyclic number.

It is not a de Polignac number, because 853131001 - 2¹¹ = 853128953 is a prime.

It is not a weakly prime, because it can be changed into another prime (853131007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426565500 + 426565501.

It is an arithmetic number, because the mean of its divisors is an integer number (426565501).

Almost surely, 2^853131001 is an apocalyptic number.

It is an amenable number.

853131001 is a deficient number, since it is larger than the sum of its proper divisors (1).

853131001 is an equidigital number, since it uses as much as digits as its factorization.

853131001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 853131001 is about 29208.4063413258. The cubic root of 853131001 is about 948.4299091755.

Adding to 853131001 its reverse (100131358), we get a palindrome (953262359).

The spelling of 853131001 in words is "eight hundred fifty-three million, one hundred thirty-one thousand, one".