525351403 has 2 divisors, whose sum is σ = 525351404. Its totient is φ = 525351402.

The previous prime is 525351367. The next prime is 525351427. The reversal of 525351403 is 304153525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525351403 - 2¹³ = 525343211 is a prime.

It is not a weakly prime, because it can be changed into another prime (525051403) 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, 262675701 + 262675702.

It is an arithmetic number, because the mean of its divisors is an integer number (262675702).

Almost surely, 2^525351403 is an apocalyptic number.

525351403 is a deficient number, since it is larger than the sum of its proper divisors (1).

525351403 is an equidigital number, since it uses as much as digits as its factorization.

525351403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 525351403 is about 22920.5454341732. The cubic root of 525351403 is about 806.8942713350.

The spelling of 525351403 in words is "five hundred twenty-five million, three hundred fifty-one thousand, four hundred three".