1051571 has 2 divisors, whose sum is σ = 1051572. Its totient is φ = 1051570.

The previous prime is 1051559. The next prime is 1051591. The reversal of 1051571 is 1751501.

It is an a-pointer prime, because the next prime (1051591) can be obtained adding 1051571 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051571 - 2⁶ = 1051507 is a prime.

It is a super-2 number, since 2×1051571² = 2211603136082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1051591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525785 + 525786.

It is an arithmetic number, because the mean of its divisors is an integer number (525786).

2^1051571 is an apocalyptic number.

1051571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051571 is an equidigital number, since it uses as much as digits as its factorization.

1051571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1051571 is about 1025.4613595841. The cubic root of 1051571 is about 101.6903011731.

The spelling of 1051571 in words is "one million, fifty-one thousand, five hundred seventy-one".