4545642253 has 2 divisors, whose sum is σ = 4545642254. Its totient is φ = 4545642252.

The previous prime is 4545642239. The next prime is 4545642263. The reversal of 4545642253 is 3522465454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4129604644 + 416037609 = 64262^2 + 20397^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545642253 - 2⁵ = 4545642221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545642263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272821126 + 2272821127.

It is an arithmetic number, because the mean of its divisors is an integer number (2272821127).

Almost surely, 2^4545642253 is an apocalyptic number.

It is an amenable number.

4545642253 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545642253 is an equidigital number, since it uses as much as digits as its factorization.

4545642253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576000, while the sum is 40.

The square root of 4545642253 is about 67421.3783083674. The cubic root of 4545642253 is about 1656.5266141853.

The spelling of 4545642253 in words is "four billion, five hundred forty-five million, six hundred forty-two thousand, two hundred fifty-three".