525373903 has 2 divisors, whose sum is σ = 525373904. Its totient is φ = 525373902.

The previous prime is 525373837. The next prime is 525373909. The reversal of 525373903 is 309373525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525373903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525373909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262686951 + 262686952.

It is an arithmetic number, because the mean of its divisors is an integer number (262686952).

Almost surely, 2^525373903 is an apocalyptic number.

525373903 is a deficient number, since it is larger than the sum of its proper divisors (1).

525373903 is an equidigital number, since it uses as much as digits as its factorization.

525373903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 37.

The square root of 525373903 is about 22921.0362549340. The cubic root of 525373903 is about 806.9057905212.

The spelling of 525373903 in words is "five hundred twenty-five million, three hundred seventy-three thousand, nine hundred three".