1450851257 has 2 divisors, whose sum is σ = 1450851258. Its totient is φ = 1450851256.

The previous prime is 1450851253. The next prime is 1450851271. The reversal of 1450851257 is 7521580541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303859881 + 146991376 = 36109^2 + 12124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450851257 - 2² = 1450851253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1450851257.

It is not a weakly prime, because it can be changed into another prime (1450851251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725425628 + 725425629.

It is an arithmetic number, because the mean of its divisors is an integer number (725425629).

Almost surely, 2^1450851257 is an apocalyptic number.

It is an amenable number.

1450851257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450851257 is an equidigital number, since it uses as much as digits as its factorization.

1450851257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 1450851257 is about 38090.0414413006. The cubic root of 1450851257 is about 1132.0726460244.

The spelling of 1450851257 in words is "one billion, four hundred fifty million, eight hundred fifty-one thousand, two hundred fifty-seven".