1051481 has 2 divisors, whose sum is σ = 1051482. Its totient is φ = 1051480.

The previous prime is 1051471. The next prime is 1051499. The reversal of 1051481 is 1841501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737881 + 313600 = 859^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051481 - 2⁶ = 1051417 is a prime.

It is a super-2 number, since 2×1051481² = 2211224586722, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1051471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525740 + 525741.

It is an arithmetic number, because the mean of its divisors is an integer number (525741).

2^1051481 is an apocalyptic number.

It is an amenable number.

1051481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051481 is an equidigital number, since it uses as much as digits as its factorization.

1051481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1051481 is about 1025.4174759580. The cubic root of 1051481 is about 101.6873999938.

Adding to 1051481 its sum of digits (20), we get a palindrome (1051501).

Adding to 1051481 its reverse (1841501), we get a palindrome (2892982).

The spelling of 1051481 in words is "one million, fifty-one thousand, four hundred eighty-one".