545505025 has 24 divisors (see below), whose sum is σ = 729606080. Its totient is φ = 402200640.

The previous prime is 545505001. The next prime is 545505071. The reversal of 545505025 is 520505545.

It is not a de Polignac number, because 545505025 - 2²³ = 537116417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344686 + ... + 346264.

Almost surely, 2^545505025 is an apocalyptic number.

It is an amenable number.

545505025 is a deficient number, since it is larger than the sum of its proper divisors (184101055).

545505025 is a wasteful number, since it uses less digits than its factorization.

545505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 545505025 is about 23356.0490023463. The cubic root of 545505025 is about 817.0831449684.

The spelling of 545505025 in words is "five hundred forty-five million, five hundred five thousand, twenty-five".