420052534 has 16 divisors (see below), whose sum is σ = 690927120. Its totient is φ = 189941760.

The previous prime is 420052517. The next prime is 420052553. The reversal of 420052534 is 435250024.

It is a junction number, because it is equal to n+sod(n) for n = 420052499 and 420052508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45219 + ... + 53710.

It is an arithmetic number, because the mean of its divisors is an integer number (43182945).

Almost surely, 2^420052534 is an apocalyptic number.

420052534 is a deficient number, since it is larger than the sum of its proper divisors (270874586).

420052534 is a wasteful number, since it uses less digits than its factorization.

420052534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99135.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 420052534 is about 20495.1831902035. The cubic root of 420052534 is about 748.9184612631.

The spelling of 420052534 in words is "four hundred twenty million, fifty-two thousand, five hundred thirty-four".