525383477 has 2 divisors, whose sum is σ = 525383478. Its totient is φ = 525383476.

The previous prime is 525383449. The next prime is 525383483. The reversal of 525383477 is 774383525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525372241 + 11236 = 22921^2 + 106^2 .

It is a cyclic number.

It is not a de Polignac number, because 525383477 - 2¹⁰ = 525382453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525383447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262691738 + 262691739.

It is an arithmetic number, because the mean of its divisors is an integer number (262691739).

Almost surely, 2^525383477 is an apocalyptic number.

It is an amenable number.

525383477 is a deficient number, since it is larger than the sum of its proper divisors (1).

525383477 is an equidigital number, since it uses as much as digits as its factorization.

525383477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 44.

The square root of 525383477 is about 22921.2451014337. The cubic root of 525383477 is about 806.9106919632.

The spelling of 525383477 in words is "five hundred twenty-five million, three hundred eighty-three thousand, four hundred seventy-seven".