851354057 has 2 divisors, whose sum is σ = 851354058. Its totient is φ = 851354056.

The previous prime is 851354051. The next prime is 851354069. The reversal of 851354057 is 750453158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818875456 + 32478601 = 28616^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 851354057 - 2⁸ = 851353801 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 851354057.

It is not a weakly prime, because it can be changed into another prime (851354051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425677028 + 425677029.

It is an arithmetic number, because the mean of its divisors is an integer number (425677029).

Almost surely, 2^851354057 is an apocalyptic number.

It is an amenable number.

851354057 is a deficient number, since it is larger than the sum of its proper divisors (1).

851354057 is an equidigital number, since it uses as much as digits as its factorization.

851354057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 851354057 is about 29177.9721193917. The cubic root of 851354057 is about 947.7709723609.

The spelling of 851354057 in words is "eight hundred fifty-one million, three hundred fifty-four thousand, fifty-seven".