1552311841 has 2 divisors, whose sum is σ = 1552311842. Its totient is φ = 1552311840.

The previous prime is 1552311793. The next prime is 1552311847. The reversal of 1552311841 is 1481132551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115292816 + 437019025 = 33396^2 + 20905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552311841 - 2¹⁵ = 1552279073 is a prime.

It is a super-5 number, since 5×1552311841⁵ (a number of 47 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (1552311847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776155920 + 776155921.

It is an arithmetic number, because the mean of its divisors is an integer number (776155921).

Almost surely, 2^1552311841 is an apocalyptic number.

It is an amenable number.

1552311841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552311841 is an equidigital number, since it uses as much as digits as its factorization.

1552311841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 31.

The square root of 1552311841 is about 39399.3888404376. The cubic root of 1552311841 is about 1157.8696136864.

The spelling of 1552311841 in words is "one billion, five hundred fifty-two million, three hundred eleven thousand, eight hundred forty-one".