525671903 has 4 divisors (see below), whose sum is σ = 528897048. Its totient is φ = 522446760.

The previous prime is 525671899. The next prime is 525671911. The reversal of 525671903 is 309176525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525671903 - 2² = 525671899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525671963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612328 + ... + 1612653.

It is an arithmetic number, because the mean of its divisors is an integer number (132224262).

Almost surely, 2^525671903 is an apocalyptic number.

525671903 is a deficient number, since it is larger than the sum of its proper divisors (3225145).

525671903 is a wasteful number, since it uses less digits than its factorization.

525671903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225144.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 525671903 is about 22927.5359120861. The cubic root of 525671903 is about 807.0583247289.

The spelling of 525671903 in words is "five hundred twenty-five million, six hundred seventy-one thousand, nine hundred three".