545925025697 has 2 divisors, whose sum is σ = 545925025698. Its totient is φ = 545925025696.

The previous prime is 545925025579. The next prime is 545925025727. The reversal of 545925025697 is 796520529545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345002342161 + 200922683536 = 587369^2 + 448244^2 .

It is a cyclic number.

It is not a de Polignac number, because 545925025697 - 2²⁴ = 545908248481 is a prime.

It is a super-2 number, since 2×545925025697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545925025097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272962512848 + 272962512849.

It is an arithmetic number, because the mean of its divisors is an integer number (272962512849).

Almost surely, 2^545925025697 is an apocalyptic number.

It is an amenable number.

545925025697 is a deficient number, since it is larger than the sum of its proper divisors (1).

545925025697 is an equidigital number, since it uses as much as digits as its factorization.

545925025697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020000, while the sum is 59.

The spelling of 545925025697 in words is "five hundred forty-five billion, nine hundred twenty-five million, twenty-five thousand, six hundred ninety-seven".