1551041 has 2 divisors, whose sum is σ = 1551042. Its totient is φ = 1551040.

The previous prime is 1551037. The next prime is 1551049. The reversal of 1551041 is 1401551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 748225 = 896^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1551041 - 2² = 1551037 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1551049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775520 + 775521.

It is an arithmetic number, because the mean of its divisors is an integer number (775521).

2^1551041 is an apocalyptic number.

It is an amenable number.

1551041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551041 is an equidigital number, since it uses as much as digits as its factorization.

1551041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1551041 is about 1245.4079652869. The cubic root of 1551041 is about 115.7553553929.

Adding to 1551041 its reverse (1401551), we get a palindrome (2952592).

It can be divided in two parts, 15510 and 41, that added together give a palindrome (15551).

The spelling of 1551041 in words is "one million, five hundred fifty-one thousand, forty-one".