511315042 has 32 divisors (see below), whose sum is σ = 924410880. Its totient is φ = 207210960.

The previous prime is 511315039. The next prime is 511315127. The reversal of 511315042 is 240513115.

It is a happy number.

It is a super-2 number, since 2×511315042² = 522886144350923528, which contains 22 as substring.

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, 170617 + ... + 173587.

It is an arithmetic number, because the mean of its divisors is an integer number (28887840).

Almost surely, 2^511315042 is an apocalyptic number.

511315042 is a deficient number, since it is larger than the sum of its proper divisors (413095838).

511315042 is a wasteful number, since it uses less digits than its factorization.

511315042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 511315042 is about 22612.2763559974. The cubic root of 511315042 is about 799.6430918360.

Adding to 511315042 its reverse (240513115), we get a palindrome (751828157).

The spelling of 511315042 in words is "five hundred eleven million, three hundred fifteen thousand, forty-two".