1051553 has 2 divisors, whose sum is σ = 1051554. Its totient is φ = 1051552.

The previous prime is 1051549. The next prime is 1051559. The reversal of 1051553 is 3551501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 966289 + 85264 = 983^2 + 292^2 .

It is an emirp because it is prime and its reverse (3551501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051553 - 2² = 1051549 is a prime.

It is a super-2 number, since 2×1051553² = 2211527423618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1051559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525776 + 525777.

It is an arithmetic number, because the mean of its divisors is an integer number (525777).

2^1051553 is an apocalyptic number.

It is an amenable number.

1051553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051553 is an equidigital number, since it uses as much as digits as its factorization.

1051553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 1051553 is about 1025.4525830091. The cubic root of 1051553 is about 101.6897209505.

The spelling of 1051553 in words is "one million, fifty-one thousand, five hundred fifty-three".