545025915 has 112 divisors (see below), whose sum is σ = 1150220736. Its totient is φ = 242611200.

The previous prime is 545025889. The next prime is 545025919. The reversal of 545025915 is 519520545.

545025915 is a `hidden beast` number, since 545 + 0 + 25 + 91 + 5 = 666.

It is not a de Polignac number, because 545025915 - 2⁶ = 545025851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545025915.

It is not an unprimeable number, because it can be changed into a prime (545025919) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1045855 + ... + 1046375.

It is an arithmetic number, because the mean of its divisors is an integer number (10269828).

Almost surely, 2^545025915 is an apocalyptic number.

545025915 is an abundant number, since it is smaller than the sum of its proper divisors (605194821).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545025915 is an equidigital number, since it uses as much as digits as its factorization.

545025915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 545025915 is about 23345.7900915775. The cubic root of 545025915 is about 816.8438637201.

The spelling of 545025915 in words is "five hundred forty-five million, twenty-five thousand, nine hundred fifteen".