1552017617 has 2 divisors, whose sum is σ = 1552017618. Its totient is φ = 1552017616.

The previous prime is 1552017583. The next prime is 1552017629. The reversal of 1552017617 is 7167102551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1450391056 + 101626561 = 38084^2 + 10081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552017617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552017217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776008808 + 776008809.

It is an arithmetic number, because the mean of its divisors is an integer number (776008809).

Almost surely, 2^1552017617 is an apocalyptic number.

It is an amenable number.

1552017617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552017617 is an equidigital number, since it uses as much as digits as its factorization.

1552017617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 35.

The square root of 1552017617 is about 39395.6547984673. The cubic root of 1552017617 is about 1157.7964551569.

The spelling of 1552017617 in words is "one billion, five hundred fifty-two million, seventeen thousand, six hundred seventeen".