508890049 has 2 divisors, whose sum is σ = 508890050. Its totient is φ = 508890048.

The previous prime is 508890043. The next prime is 508890059. The reversal of 508890049 is 940098805.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507691024 + 1199025 = 22532^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 508890049 - 2⁷ = 508889921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 508889987 and 508890014.

It is not a weakly prime, because it can be changed into another prime (508890043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254445024 + 254445025.

It is an arithmetic number, because the mean of its divisors is an integer number (254445025).

Almost surely, 2^508890049 is an apocalyptic number.

It is an amenable number.

508890049 is a deficient number, since it is larger than the sum of its proper divisors (1).

508890049 is an equidigital number, since it uses as much as digits as its factorization.

508890049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 508890049 is about 22558.5914675540. The cubic root of 508890049 is about 798.3769431893.

The spelling of 508890049 in words is "five hundred eight million, eight hundred ninety thousand, forty-nine".