511264542 has 8 divisors (see below), whose sum is σ = 1022529096. Its totient is φ = 170421512.

The previous prime is 511264469. The next prime is 511264571. The reversal of 511264542 is 245462115.

It is a sphenic number, since it is the product of 3 distinct primes.

511264542 is an admirable number.

It is a super-2 number, since 2×511264542² = 522782863812939528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42605373 + ... + 42605384.

It is an arithmetic number, because the mean of its divisors is an integer number (127816137).

Almost surely, 2^511264542 is an apocalyptic number.

511264542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511264542 is a wasteful number, since it uses less digits than its factorization.

511264542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85210762.

The product of its digits is 9600, while the sum is 30.

The square root of 511264542 is about 22611.1596783535. The cubic root of 511264542 is about 799.6167654017.

The spelling of 511264542 in words is "five hundred eleven million, two hundred sixty-four thousand, five hundred forty-two".