526162421 has 16 divisors (see below), whose sum is σ = 581692800. Its totient is φ = 473698368.

The previous prime is 526162409. The next prime is 526162453. The reversal of 526162421 is 124261625.

It is a cyclic number.

It is not a de Polignac number, because 526162421 - 2¹⁰ = 526161397 is a prime.

It is a super-3 number, since 3×526162421³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526162621) 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 15 ways as a sum of consecutive naturals, for example, 64775 + ... + 72443.

It is an arithmetic number, because the mean of its divisors is an integer number (36355800).

Almost surely, 2^526162421 is an apocalyptic number.

It is an amenable number.

526162421 is a deficient number, since it is larger than the sum of its proper divisors (55530379).

526162421 is a wasteful number, since it uses less digits than its factorization.

526162421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868.

The product of its digits is 5760, while the sum is 29.

The square root of 526162421 is about 22938.2305551235. The cubic root of 526162421 is about 807.3092756628.

The spelling of 526162421 in words is "five hundred twenty-six million, one hundred sixty-two thousand, four hundred twenty-one".