1552525049 has 2 divisors, whose sum is σ = 1552525050. Its totient is φ = 1552525048.

The previous prime is 1552525021. The next prime is 1552525067. The reversal of 1552525049 is 9405252551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030859449 + 521665600 = 32107^2 + 22840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552525049 - 2²⁸ = 1284089593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552525649) 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, 776262524 + 776262525.

It is an arithmetic number, because the mean of its divisors is an integer number (776262525).

Almost surely, 2^1552525049 is an apocalyptic number.

It is an amenable number.

1552525049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552525049 is an equidigital number, since it uses as much as digits as its factorization.

1552525049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 1552525049 is about 39402.0944747865. The cubic root of 1552525049 is about 1157.9226218850.

The spelling of 1552525049 in words is "one billion, five hundred fifty-two million, five hundred twenty-five thousand, forty-nine".