525421100435417 has 2 divisors, whose sum is σ = 525421100435418. Its totient is φ = 525421100435416.

The previous prime is 525421100435381. The next prime is 525421100435423. The reversal of 525421100435417 is 714534001124525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483846408187081 + 41574692248336 = 21996509^2 + 6447844^2 .

It is a cyclic number.

It is not a de Polignac number, because 525421100435417 - 2¹⁰ = 525421100434393 is a prime.

It is not a weakly prime, because it can be changed into another prime (525421100435467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262710550217708 + 262710550217709.

It is an arithmetic number, because the mean of its divisors is an integer number (262710550217709).

Almost surely, 2^{525421100435417} is an apocalyptic number.

It is an amenable number.

525421100435417 is a deficient number, since it is larger than the sum of its proper divisors (1).

525421100435417 is an equidigital number, since it uses as much as digits as its factorization.

525421100435417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 525421100435417 in words is "five hundred twenty-five trillion, four hundred twenty-one billion, one hundred million, four hundred thirty-five thousand, four hundred seventeen".