505431542 has 32 divisors (see below), whose sum is σ = 951609600. Its totient is φ = 195590880.

The previous prime is 505431527. The next prime is 505431551. The reversal of 505431542 is 245134505.

It is a super-2 number, since 2×505431542² = 510922087296995528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11933 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (29737800).

Almost surely, 2^505431542 is an apocalyptic number.

505431542 is a deficient number, since it is larger than the sum of its proper divisors (446178058).

505431542 is a wasteful number, since it uses less digits than its factorization.

505431542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22196.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 505431542 is about 22481.8046873466. The cubic root of 505431542 is about 796.5641932897.

The spelling of 505431542 in words is "five hundred five million, four hundred thirty-one thousand, five hundred forty-two".