545250031523 has 2 divisors, whose sum is σ = 545250031524. Its totient is φ = 545250031522.

The previous prime is 545250031519. The next prime is 545250031531. The reversal of 545250031523 is 325130052545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545250031523 - 2² = 545250031519 is a prime.

It is a super-4 number, since 4×545250031523⁴ (a number of 48 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (545250031223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272625015761 + 272625015762.

It is an arithmetic number, because the mean of its divisors is an integer number (272625015762).

Almost surely, 2^545250031523 is an apocalyptic number.

545250031523 is a deficient number, since it is larger than the sum of its proper divisors (1).

545250031523 is an equidigital number, since it uses as much as digits as its factorization.

545250031523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 545250031523 in words is "five hundred forty-five billion, two hundred fifty million, thirty-one thousand, five hundred twenty-three".