545420425 has 12 divisors (see below), whose sum is σ = 737805456. Its totient is φ = 396669200.

The previous prime is 545420419. The next prime is 545420431. The reversal of 545420425 is 524024545.

It is an interprime number because it is at equal distance from previous prime (545420419) and next prime (545420431).

It is not a de Polignac number, because 545420425 - 2²⁷ = 411202697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 991399 + ... + 991948.

It is an arithmetic number, because the mean of its divisors is an integer number (61483788).

Almost surely, 2^545420425 is an apocalyptic number.

545420425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545420425 is a deficient number, since it is larger than the sum of its proper divisors (192385031).

545420425 is a wasteful number, since it uses less digits than its factorization.

545420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983368 (or 1983363 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 545420425 is about 23354.2378381312. The cubic root of 545420425 is about 817.0409034951.

The spelling of 545420425 in words is "five hundred forty-five million, four hundred twenty thousand, four hundred twenty-five".