545963397 has 16 divisors (see below), whose sum is σ = 868116480. Its totient is φ = 298414512.

The previous prime is 545963393. The next prime is 545963419. The reversal of 545963397 is 793369545.

It is a happy number.

It is not a de Polignac number, because 545963397 - 2² = 545963393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545963393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564697 + ... + 565662.

It is an arithmetic number, because the mean of its divisors is an integer number (54257280).

Almost surely, 2^545963397 is an apocalyptic number.

It is an amenable number.

545963397 is a deficient number, since it is larger than the sum of its proper divisors (322153083).

545963397 is a wasteful number, since it uses less digits than its factorization.

545963397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130392.

The product of its digits is 3061800, while the sum is 51.

The square root of 545963397 is about 23365.8596460734. The cubic root of 545963397 is about 817.3119379617.

The spelling of 545963397 in words is "five hundred forty-five million, nine hundred sixty-three thousand, three hundred ninety-seven".