538897453 has 2 divisors, whose sum is σ = 538897454. Its totient is φ = 538897452.

The previous prime is 538897427. The next prime is 538897487. The reversal of 538897453 is 354798835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363016809 + 175880644 = 19053^2 + 13262^2 .

It is a cyclic number.

It is not a de Polignac number, because 538897453 - 2¹³ = 538889261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538897453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538897493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269448726 + 269448727.

It is an arithmetic number, because the mean of its divisors is an integer number (269448727).

Almost surely, 2^538897453 is an apocalyptic number.

It is an amenable number.

538897453 is a deficient number, since it is larger than the sum of its proper divisors (1).

538897453 is an equidigital number, since it uses as much as digits as its factorization.

538897453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The square root of 538897453 is about 23214.1649214440. The cubic root of 538897453 is about 813.7706901361.

The spelling of 538897453 in words is "five hundred thirty-eight million, eight hundred ninety-seven thousand, four hundred fifty-three".