545521250413 has 2 divisors, whose sum is σ = 545521250414. Its totient is φ = 545521250412.

The previous prime is 545521250411. The next prime is 545521250419. The reversal of 545521250413 is 314052125545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531613057924 + 13908192489 = 729118^2 + 117933^2 .

It is a cyclic number.

It is not a de Polignac number, because 545521250413 - 2¹ = 545521250411 is a prime.

Together with 545521250411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545521250411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272760625206 + 272760625207.

It is an arithmetic number, because the mean of its divisors is an integer number (272760625207).

Almost surely, 2^545521250413 is an apocalyptic number.

It is an amenable number.

545521250413 is a deficient number, since it is larger than the sum of its proper divisors (1).

545521250413 is an equidigital number, since it uses as much as digits as its factorization.

545521250413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 545521250413 its reverse (314052125545), we get a palindrome (859573375958).

The spelling of 545521250413 in words is "five hundred forty-five billion, five hundred twenty-one million, two hundred fifty thousand, four hundred thirteen".