556065403 has 2 divisors, whose sum is σ = 556065404. Its totient is φ = 556065402.

The previous prime is 556065373. The next prime is 556065439. The reversal of 556065403 is 304560655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556065403 - 2²¹ = 553968251 is a prime.

It is not a weakly prime, because it can be changed into another prime (556065463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278032701 + 278032702.

It is an arithmetic number, because the mean of its divisors is an integer number (278032702).

Almost surely, 2^556065403 is an apocalyptic number.

556065403 is a deficient number, since it is larger than the sum of its proper divisors (1).

556065403 is an equidigital number, since it uses as much as digits as its factorization.

556065403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 556065403 is about 23581.0390568355. The cubic root of 556065403 is about 822.3220929380.

It can be divided in two parts, 55606 and 5403, that added together give a square (61009 = 247²).

The spelling of 556065403 in words is "five hundred fifty-six million, sixty-five thousand, four hundred three".