511325601 has 4 divisors (see below), whose sum is σ = 681767472. Its totient is φ = 340883732.

The previous prime is 511325597. The next prime is 511325611. The reversal of 511325601 is 106523115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 511325601 - 2² = 511325597 is a prime.

It is a super-2 number, since 2×511325601² = 522907740476022402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511325611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85220931 + ... + 85220936.

It is an arithmetic number, because the mean of its divisors is an integer number (170441868).

Almost surely, 2^511325601 is an apocalyptic number.

It is an amenable number.

511325601 is a deficient number, since it is larger than the sum of its proper divisors (170441871).

511325601 is a wasteful number, since it uses less digits than its factorization.

511325601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170441870.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 511325601 is about 22612.5098341604. The cubic root of 511325601 is about 799.6485961876.

Adding to 511325601 its reverse (106523115), we get a palindrome (617848716).

The spelling of 511325601 in words is "five hundred eleven million, three hundred twenty-five thousand, six hundred one".