890724053 has 2 divisors, whose sum is σ = 890724054. Its totient is φ = 890724052.

The previous prime is 890724019. The next prime is 890724071. The reversal of 890724053 is 350427098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858665809 + 32058244 = 29303^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 890724053 - 2¹⁸ = 890461909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 890723998 and 890724016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890724073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445362026 + 445362027.

It is an arithmetic number, because the mean of its divisors is an integer number (445362027).

Almost surely, 2^890724053 is an apocalyptic number.

It is an amenable number.

890724053 is a deficient number, since it is larger than the sum of its proper divisors (1).

890724053 is an equidigital number, since it uses as much as digits as its factorization.

890724053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 890724053 is about 29845.0004690903. Note that the first 3 decimals coincide. The cubic root of 890724053 is about 962.1609498556.

The spelling of 890724053 in words is "eight hundred ninety million, seven hundred twenty-four thousand, fifty-three".