525461403 has 4 divisors (see below), whose sum is σ = 700615208. Its totient is φ = 350307600.

The previous prime is 525461399. The next prime is 525461407. The reversal of 525461403 is 304164525.

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

It is an interprime number because it is at equal distance from previous prime (525461399) and next prime (525461407).

It is not a de Polignac number, because 525461403 - 2² = 525461399 is a prime.

It is a super-2 number, since 2×525461403² = 552219372085456818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525461407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87576898 + ... + 87576903.

It is an arithmetic number, because the mean of its divisors is an integer number (175153802).

Almost surely, 2^525461403 is an apocalyptic number.

525461403 is a deficient number, since it is larger than the sum of its proper divisors (175153805).

525461403 is a wasteful number, since it uses less digits than its factorization.

525461403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175153804.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 525461403 is about 22922.9449024335. The cubic root of 525461403 is about 806.9505842303.

The spelling of 525461403 in words is "five hundred twenty-five million, four hundred sixty-one thousand, four hundred three".