523050421 has 2 divisors, whose sum is σ = 523050422. Its totient is φ = 523050420.

The previous prime is 523050349. The next prime is 523050433. The reversal of 523050421 is 124050325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 437395396 + 85655025 = 20914^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 523050421 - 2¹³ = 523042229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523050392 and 523050401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523050721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261525210 + 261525211.

It is an arithmetic number, because the mean of its divisors is an integer number (261525211).

Almost surely, 2^523050421 is an apocalyptic number.

It is an amenable number.

523050421 is a deficient number, since it is larger than the sum of its proper divisors (1).

523050421 is an equidigital number, since it uses as much as digits as its factorization.

523050421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 523050421 is about 22870.2956036865. The cubic root of 523050421 is about 805.7145108679.

The spelling of 523050421 in words is "five hundred twenty-three million, fifty thousand, four hundred twenty-one".