545315421342025 has 12 divisors (see below), whose sum is σ = 678351477497692. Its totient is φ = 434858559632640.

The previous prime is 545315421342023. The next prime is 545315421342031. The reversal of 545315421342025 is 520243124513545.

It can be written as a sum of positive squares in 6 ways, for example, as 138643348145481 + 406672073196544 = 11774691^2 + 20166112^2 .

It is not a de Polignac number, because 545315421342025 - 2¹ = 545315421342023 is a prime.

It is a super-2 number, since 2×545315421342025² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545315421342023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34844428044 + ... + 34844443693.

Almost surely, 2^{545315421342025} is an apocalyptic number.

It is an amenable number.

545315421342025 is a deficient number, since it is larger than the sum of its proper divisors (133036056155667).

545315421342025 is a wasteful number, since it uses less digits than its factorization.

545315421342025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69688872060 (or 69688872055 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 545315421342025 in words is "five hundred forty-five trillion, three hundred fifteen billion, four hundred twenty-one million, three hundred forty-two thousand, twenty-five".