524963381 has 2 divisors, whose sum is σ = 524963382. Its totient is φ = 524963380.

The previous prime is 524963359. The next prime is 524963401. The reversal of 524963381 is 183369425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499299025 + 25664356 = 22345^2 + 5066^2 .

It is a cyclic number.

It is not a de Polignac number, because 524963381 - 2⁶ = 524963317 is a prime.

It is a super-2 number, since 2×524963381² = 551173102781902322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (524963981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262481690 + 262481691.

It is an arithmetic number, because the mean of its divisors is an integer number (262481691).

Almost surely, 2^524963381 is an apocalyptic number.

It is an amenable number.

524963381 is a deficient number, since it is larger than the sum of its proper divisors (1).

524963381 is an equidigital number, since it uses as much as digits as its factorization.

524963381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 524963381 is about 22912.0793687522. The cubic root of 524963381 is about 806.6955663401.

The spelling of 524963381 in words is "five hundred twenty-four million, nine hundred sixty-three thousand, three hundred eighty-one".