525465503 has 4 divisors (see below), whose sum is σ = 525523440. Its totient is φ = 525407568.

The previous prime is 525465449. The next prime is 525465509. The reversal of 525465503 is 305564525.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 525465503 - 2¹² = 525461407 is a prime.

It is a super-2 number, since 2×525465503² = 552227989686086018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525465509) 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, 12083 + ... + 34596.

It is an arithmetic number, because the mean of its divisors is an integer number (131380860).

Almost surely, 2^525465503 is an apocalyptic number.

525465503 is a deficient number, since it is larger than the sum of its proper divisors (57937).

525465503 is a wasteful number, since it uses less digits than its factorization.

525465503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57936.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 525465503 is about 22923.0343323043. The cubic root of 525465503 is about 806.9526830136.

The spelling of 525465503 in words is "five hundred twenty-five million, four hundred sixty-five thousand, five hundred three".