545354187361 has 9 divisors (see below), whose sum is σ = 546916098001. Its totient is φ = 543796730932.

The previous prime is 545354187359. The next prime is 545354187383. The reversal of 545354187361 is 163781453545.

The square root of 545354187361 is 738481.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 545354187361 - 2¹ = 545354187359 is a prime.

It is a super-2 number, since 2×545354187361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545354187299 and 545354187308.

It is not an unprimeable number, because it can be changed into a prime (545354187331) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 327146250 + ... + 327147916.

Almost surely, 2^545354187361 is an apocalyptic number.

545354187361 is the 738481-st square number.

545354187361 is the 369241-st centered octagonal number.

It is an amenable number.

545354187361 is a deficient number, since it is larger than the sum of its proper divisors (1561910640).

545354187361 is an frugal number, since it uses more digits than its factorization.

545354187361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 2110 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 52.

The spelling of 545354187361 in words is "five hundred forty-five billion, three hundred fifty-four million, one hundred eighty-seven thousand, three hundred sixty-one".