511072345 has 16 divisors (see below), whose sum is σ = 702269568. Its totient is φ = 349764480.

The previous prime is 511072327. The next prime is 511072361. The reversal of 511072345 is 543270115.

It is a happy number.

It is not a de Polignac number, because 511072345 - 2¹⁵ = 511039577 is a prime.

It is a super-2 number, since 2×511072345² = 522389883647598050, 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, 4222 + ... + 32248.

It is an arithmetic number, because the mean of its divisors is an integer number (43891848).

Almost surely, 2^511072345 is an apocalyptic number.

It is an amenable number.

511072345 is a deficient number, since it is larger than the sum of its proper divisors (191197223).

511072345 is a wasteful number, since it uses less digits than its factorization.

511072345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28560.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 511072345 is about 22606.9092314717. The cubic root of 511072345 is about 799.5165542633.

The spelling of 511072345 in words is "five hundred eleven million, seventy-two thousand, three hundred forty-five".