555325403 has 2 divisors, whose sum is σ = 555325404. Its totient is φ = 555325402.

The previous prime is 555325387. The next prime is 555325411. The reversal of 555325403 is 304523555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555325403 - 2⁴ = 555325387 is a prime.

It is a super-2 number, since 2×555325403² = 616772606434224818, 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 555325403.

It is not a weakly prime, because it can be changed into another prime (555325423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277662701 + 277662702.

It is an arithmetic number, because the mean of its divisors is an integer number (277662702).

Almost surely, 2^555325403 is an apocalyptic number.

555325403 is a deficient number, since it is larger than the sum of its proper divisors (1).

555325403 is an equidigital number, since it uses as much as digits as its factorization.

555325403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 555325403 is about 23565.3432608142. The cubic root of 555325403 is about 821.9571547613.

Adding to 555325403 its reverse (304523555), we get a palindrome (859848958).

The spelling of 555325403 in words is "five hundred fifty-five million, three hundred twenty-five thousand, four hundred three".