525552403 has 8 divisors (see below), whose sum is σ = 541054640. Its totient is φ = 510118560.

The previous prime is 525552359. The next prime is 525552409. The reversal of 525552403 is 304255525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525552403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525552409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (67631830).

Almost surely, 2^525552403 is an apocalyptic number.

525552403 is a deficient number, since it is larger than the sum of its proper divisors (15502237).

525552403 is a wasteful number, since it uses less digits than its factorization.

525552403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 525552403 is about 22924.9297272642. The cubic root of 525552403 is about 806.9971644131.

The spelling of 525552403 in words is "five hundred twenty-five million, five hundred fifty-two thousand, four hundred three".