525116441 has 2 divisors, whose sum is σ = 525116442. Its totient is φ = 525116440.

The previous prime is 525116437. The next prime is 525116443. The reversal of 525116441 is 144611525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 143304841 = 19540^2 + 11971^2 .

It is a cyclic number.

It is not a de Polignac number, because 525116441 - 2² = 525116437 is a prime.

Together with 525116443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525116443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262558220 + 262558221.

It is an arithmetic number, because the mean of its divisors is an integer number (262558221).

Almost surely, 2^525116441 is an apocalyptic number.

It is an amenable number.

525116441 is a deficient number, since it is larger than the sum of its proper divisors (1).

525116441 is an equidigital number, since it uses as much as digits as its factorization.

525116441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 29.

The square root of 525116441 is about 22915.4192848396. The cubic root of 525116441 is about 806.7739596337.

Adding to 525116441 its reverse (144611525), we get a palindrome (669727966).

The spelling of 525116441 in words is "five hundred twenty-five million, one hundred sixteen thousand, four hundred forty-one".