525441437 has 2 divisors, whose sum is σ = 525441438. Its totient is φ = 525441436.

The previous prime is 525441407. The next prime is 525441439. The reversal of 525441437 is 734144525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460574521 + 64866916 = 21461^2 + 8054^2 .

It is a cyclic number.

It is not a de Polignac number, because 525441437 - 2²⁰ = 524392861 is a prime.

Together with 525441439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 525441397 and 525441406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525441439) 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, 262720718 + 262720719.

It is an arithmetic number, because the mean of its divisors is an integer number (262720719).

Almost surely, 2^525441437 is an apocalyptic number.

It is an amenable number.

525441437 is a deficient number, since it is larger than the sum of its proper divisors (1).

525441437 is an equidigital number, since it uses as much as digits as its factorization.

525441437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 525441437 is about 22922.5093957882. The cubic root of 525441437 is about 806.9403635117.

The spelling of 525441437 in words is "five hundred twenty-five million, four hundred forty-one thousand, four hundred thirty-seven".