545513042237 has 2 divisors, whose sum is σ = 545513042238. Its totient is φ = 545513042236.

The previous prime is 545513042227. The next prime is 545513042317. The reversal of 545513042237 is 732240315545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468039329956 + 77473712281 = 684134^2 + 278341^2 .

It is a cyclic number.

It is not a de Polignac number, because 545513042237 - 2¹⁸ = 545512780093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545513042194 and 545513042203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545513042227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272756521118 + 272756521119.

It is an arithmetic number, because the mean of its divisors is an integer number (272756521119).

Almost surely, 2^545513042237 is an apocalyptic number.

It is an amenable number.

545513042237 is a deficient number, since it is larger than the sum of its proper divisors (1).

545513042237 is an equidigital number, since it uses as much as digits as its factorization.

545513042237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 545513042237 in words is "five hundred forty-five billion, five hundred thirteen million, forty-two thousand, two hundred thirty-seven".