548215453 has 2 divisors, whose sum is σ = 548215454. Its totient is φ = 548215452.

The previous prime is 548215441. The next prime is 548215483. The reversal of 548215453 is 354512845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464273209 + 83942244 = 21547^2 + 9162^2 .

It is a cyclic number.

It is not a de Polignac number, because 548215453 - 2⁹ = 548214941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548215483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274107726 + 274107727.

It is an arithmetic number, because the mean of its divisors is an integer number (274107727).

Almost surely, 2^548215453 is an apocalyptic number.

It is an amenable number.

548215453 is a deficient number, since it is larger than the sum of its proper divisors (1).

548215453 is an equidigital number, since it uses as much as digits as its factorization.

548215453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 37.

The square root of 548215453 is about 23414.0012172204. The cubic root of 548215453 is about 818.4341787729.

The spelling of 548215453 in words is "five hundred forty-eight million, two hundred fifteen thousand, four hundred fifty-three".