1553320151 has 2 divisors, whose sum is σ = 1553320152. Its totient is φ = 1553320150.

The previous prime is 1553320133. The next prime is 1553320159. The reversal of 1553320151 is 1510233551.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1553320151 - 2¹⁰ = 1553319127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1553320151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1553320159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776660075 + 776660076.

It is an arithmetic number, because the mean of its divisors is an integer number (776660076).

Almost surely, 2^1553320151 is an apocalyptic number.

1553320151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553320151 is an equidigital number, since it uses as much as digits as its factorization.

1553320151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1553320151 is about 39412.1827738581. The cubic root of 1553320151 is about 1158.1202589472.

The spelling of 1553320151 in words is "one billion, five hundred fifty-three million, three hundred twenty thousand, one hundred fifty-one".