545405351225 has 48 divisors (see below), whose sum is σ = 789701503488. Its totient is φ = 365877699840.

The previous prime is 545405351171. The next prime is 545405351299. The reversal of 545405351225 is 522153504545.

It is a de Polignac number, because none of the positive numbers 2^k-545405351225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21018359 + ... + 21044291.

It is an arithmetic number, because the mean of its divisors is an integer number (16452114656).

Almost surely, 2^545405351225 is an apocalyptic number.

It is an amenable number.

545405351225 is a deficient number, since it is larger than the sum of its proper divisors (244296152263).

545405351225 is a wasteful number, since it uses less digits than its factorization.

545405351225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28554 (or 28549 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 545405351225 in words is "five hundred forty-five billion, four hundred five million, three hundred fifty-one thousand, two hundred twenty-five".