1552564373 has 2 divisors, whose sum is σ = 1552564374. Its totient is φ = 1552564372.

The previous prime is 1552564357. The next prime is 1552564379. The reversal of 1552564373 is 3734652551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1133870929 + 418693444 = 33673^2 + 20462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552564373 - 2⁴ = 1552564357 is a prime.

It is a super-2 number, since 2×1552564373² = 4820912264617766258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1552564373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1552564379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776282186 + 776282187.

It is an arithmetic number, because the mean of its divisors is an integer number (776282187).

Almost surely, 2^1552564373 is an apocalyptic number.

It is an amenable number.

1552564373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552564373 is an equidigital number, since it uses as much as digits as its factorization.

1552564373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378000, while the sum is 41.

The square root of 1552564373 is about 39402.5934806327. The cubic root of 1552564373 is about 1157.9323981663.

The spelling of 1552564373 in words is "one billion, five hundred fifty-two million, five hundred sixty-four thousand, three hundred seventy-three".