545622403 has 2 divisors, whose sum is σ = 545622404. Its totient is φ = 545622402.

The previous prime is 545622397. The next prime is 545622409. The reversal of 545622403 is 304226545.

It is a balanced prime because it is at equal distance from previous prime (545622397) and next prime (545622409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545622403 is a prime.

It is not a weakly prime, because it can be changed into another prime (545622409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272811201 + 272811202.

It is an arithmetic number, because the mean of its divisors is an integer number (272811202).

Almost surely, 2^545622403 is an apocalyptic number.

545622403 is a deficient number, since it is larger than the sum of its proper divisors (1).

545622403 is an equidigital number, since it uses as much as digits as its factorization.

545622403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 545622403 is about 23358.5616637669. The cubic root of 545622403 is about 817.1417455330.

Adding to 545622403 its reverse (304226545), we get a palindrome (849848948).

It can be divided in two parts, 54562 and 2403, that added together give a palindrome (56965).

The spelling of 545622403 in words is "five hundred forty-five million, six hundred twenty-two thousand, four hundred three".