545419 has 6 divisors (see below), whose sum is σ = 634524. Its totient is φ = 467460.
The previous prime is 545387. The next prime is 545429. The reversal of 545419 is 914545.
It is not a de Polignac number, because 545419 - 25 = 545387 is a prime.
It is a super-2 number, since 2×5454192 = 594963771122, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 12.
It is a nialpdrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (545429) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5517 + ... + 5614.
It is an arithmetic number, because the mean of its divisors is an integer number (105754).
2545419 is an apocalyptic number.
545419 is a deficient number, since it is larger than the sum of its proper divisors (89105).
545419 is a wasteful number, since it uses less digits than its factorization.
545419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11145 (or 11138 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
The square root of 545419 is about 738.5248810974. The cubic root of 545419 is about 81.7040191944.
The spelling of 545419 in words is "five hundred forty-five thousand, four hundred nineteen".
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