545432357 has 2 divisors, whose sum is σ = 545432358. Its totient is φ = 545432356.

The previous prime is 545432323. The next prime is 545432359. The reversal of 545432357 is 753234545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417425761 + 128006596 = 20431^2 + 11314^2 .

It is a cyclic number.

It is not a de Polignac number, because 545432357 - 2⁸ = 545432101 is a prime.

Together with 545432359, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545432357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545432359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272716178 + 272716179.

It is an arithmetic number, because the mean of its divisors is an integer number (272716179).

Almost surely, 2^545432357 is an apocalyptic number.

It is an amenable number.

545432357 is a deficient number, since it is larger than the sum of its proper divisors (1).

545432357 is an equidigital number, since it uses as much as digits as its factorization.

545432357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 38.

The square root of 545432357 is about 23354.4932935827. The cubic root of 545432357 is about 817.0468615051.

The spelling of 545432357 in words is "five hundred forty-five million, four hundred thirty-two thousand, three hundred fifty-seven".