853131007 has 2 divisors, whose sum is σ = 853131008. Its totient is φ = 853131006.

The previous prime is 853131001. The next prime is 853131017. The reversal of 853131007 is 700131358.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853131007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853131001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426565503 + 426565504.

It is an arithmetic number, because the mean of its divisors is an integer number (426565504).

Almost surely, 2^853131007 is an apocalyptic number.

853131007 is a deficient number, since it is larger than the sum of its proper divisors (1).

853131007 is an equidigital number, since it uses as much as digits as its factorization.

853131007 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 853131007 is about 29208.4064440359. The cubic root of 853131007 is about 948.4299113989.

It can be divided in two parts, 85313 and 1007, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 853131007 in words is "eight hundred fifty-three million, one hundred thirty-one thousand, seven".