545011387 has 2 divisors, whose sum is σ = 545011388. Its totient is φ = 545011386.

The previous prime is 545011343. The next prime is 545011399. The reversal of 545011387 is 783110545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545011387 - 2¹⁵ = 544978619 is a prime.

It is not a weakly prime, because it can be changed into another prime (545012387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272505693 + 272505694.

It is an arithmetic number, because the mean of its divisors is an integer number (272505694).

Almost surely, 2^545011387 is an apocalyptic number.

545011387 is a deficient number, since it is larger than the sum of its proper divisors (1).

545011387 is an equidigital number, since it uses as much as digits as its factorization.

545011387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 545011387 is about 23345.4789413282. The cubic root of 545011387 is about 816.8366058309.

The spelling of 545011387 in words is "five hundred forty-five million, eleven thousand, three hundred eighty-seven".