524746381 has 2 divisors, whose sum is σ = 524746382. Its totient is φ = 524746380.

The previous prime is 524746319. The next prime is 524746421. The reversal of 524746381 is 183647425.

It is an a-pointer prime, because the next prime (524746421) can be obtained adding 524746381 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428117481 + 96628900 = 20691^2 + 9830^2 .

It is a cyclic number.

It is not a de Polignac number, because 524746381 - 2⁷ = 524746253 is a prime.

It is a super-2 number, since 2×524746381² = 550717528745194322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (524746181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262373190 + 262373191.

It is an arithmetic number, because the mean of its divisors is an integer number (262373191).

Almost surely, 2^524746381 is an apocalyptic number.

It is an amenable number.

524746381 is a deficient number, since it is larger than the sum of its proper divisors (1).

524746381 is an equidigital number, since it uses as much as digits as its factorization.

524746381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 40.

The square root of 524746381 is about 22907.3433859101. The cubic root of 524746381 is about 806.5843985458.

The spelling of 524746381 in words is "five hundred twenty-four million, seven hundred forty-six thousand, three hundred eighty-one".