525275401 has 16 divisors (see below), whose sum is σ = 650415744. Its totient is φ = 413892864.

The previous prime is 525275381. The next prime is 525275417. The reversal of 525275401 is 104572525.

525275401 = 456² + 457² + ... + 1186².

It is not a de Polignac number, because 525275401 - 2¹³ = 525267209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525275461) 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, 46210 + ... + 56443.

It is an arithmetic number, because the mean of its divisors is an integer number (40650984).

Almost surely, 2^525275401 is an apocalyptic number.

It is an amenable number.

525275401 is a deficient number, since it is larger than the sum of its proper divisors (125140343).

525275401 is a wasteful number, since it uses less digits than its factorization.

525275401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102720.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 525275401 is about 22918.8874293671. The cubic root of 525275401 is about 806.8553586278.

The spelling of 525275401 in words is "five hundred twenty-five million, two hundred seventy-five thousand, four hundred one".