525652401 has 4 divisors (see below), whose sum is σ = 700869872. Its totient is φ = 350434932.

The previous prime is 525652367. The next prime is 525652403. The reversal of 525652401 is 104256525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 525652401 - 2¹⁰ = 525651377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525652403) 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, 87608731 + ... + 87608736.

It is an arithmetic number, because the mean of its divisors is an integer number (175217468).

Almost surely, 2^525652401 is an apocalyptic number.

It is an amenable number.

525652401 is a deficient number, since it is larger than the sum of its proper divisors (175217471).

525652401 is a wasteful number, since it uses less digits than its factorization.

525652401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175217470.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 525652401 is about 22927.1106116754. The cubic root of 525652401 is about 807.0483442030.

The spelling of 525652401 in words is "five hundred twenty-five million, six hundred fifty-two thousand, four hundred one".