853752457 has 2 divisors, whose sum is σ = 853752458. Its totient is φ = 853752456.

The previous prime is 853752437. The next prime is 853752481. The reversal of 853752457 is 754257358.

853752457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 551827081 + 301925376 = 23491^2 + 17376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853752457 is a prime.

It is not a weakly prime, because it can be changed into another prime (853752437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426876228 + 426876229.

It is an arithmetic number, because the mean of its divisors is an integer number (426876229).

Almost surely, 2^853752457 is an apocalyptic number.

It is an amenable number.

853752457 is a deficient number, since it is larger than the sum of its proper divisors (1).

853752457 is an equidigital number, since it uses as much as digits as its factorization.

853752457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 46.

The square root of 853752457 is about 29219.0427119028. The cubic root of 853752457 is about 948.6601451723.

The spelling of 853752457 in words is "eight hundred fifty-three million, seven hundred fifty-two thousand, four hundred fifty-seven".