538902457 has 2 divisors, whose sum is σ = 538902458. Its totient is φ = 538902456.

The previous prime is 538902437. The next prime is 538902473. The reversal of 538902457 is 754209835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482065936 + 56836521 = 21956^2 + 7539^2 .

It is a cyclic number.

It is not a de Polignac number, because 538902457 - 2¹¹ = 538900409 is a prime.

It is not a weakly prime, because it can be changed into another prime (538902437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269451228 + 269451229.

It is an arithmetic number, because the mean of its divisors is an integer number (269451229).

Almost surely, 2^538902457 is an apocalyptic number.

It is an amenable number.

538902457 is a deficient number, since it is larger than the sum of its proper divisors (1).

538902457 is an equidigital number, since it uses as much as digits as its factorization.

538902457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 538902457 is about 23214.2727002161. The cubic root of 538902457 is about 813.7732089183.

The spelling of 538902457 in words is "five hundred thirty-eight million, nine hundred two thousand, four hundred fifty-seven".