525455203 has 16 divisors (see below), whose sum is σ = 680753920. Its totient is φ = 393862176.

The previous prime is 525455201. The next prime is 525455207. The reversal of 525455203 is 302554525.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 525455203 - 2¹ = 525455201 is a prime.

It is a super-2 number, since 2×525455203² = 552206340719542418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525455201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150225 + ... + 153682.

It is an arithmetic number, because the mean of its divisors is an integer number (42547120).

Almost surely, 2^525455203 is an apocalyptic number.

525455203 is a deficient number, since it is larger than the sum of its proper divisors (155298717).

525455203 is a wasteful number, since it uses less digits than its factorization.

525455203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303946.

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

The square root of 525455203 is about 22922.8096663563. The cubic root of 525455203 is about 806.9474104398.

The spelling of 525455203 in words is "five hundred twenty-five million, four hundred fifty-five thousand, two hundred three".