1552044797 has 2 divisors, whose sum is σ = 1552044798. Its totient is φ = 1552044796.

The previous prime is 1552044719. The next prime is 1552044821. The reversal of 1552044797 is 7974402551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1500865081 + 51179716 = 38741^2 + 7154^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552044797 - 2⁸ = 1552044541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552044397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776022398 + 776022399.

It is an arithmetic number, because the mean of its divisors is an integer number (776022399).

Almost surely, 2^1552044797 is an apocalyptic number.

It is an amenable number.

1552044797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552044797 is an equidigital number, since it uses as much as digits as its factorization.

1552044797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 1552044797 is about 39395.9997588588. Note that the first 3 decimals coincide. The cubic root of 1552044797 is about 1157.8032138267.

The spelling of 1552044797 in words is "one billion, five hundred fifty-two million, forty-four thousand, seven hundred ninety-seven".