2605432511 has 8 divisors (see below), whose sum is σ = 2842801104. Its totient is φ = 2368149120.

The previous prime is 2605432493. The next prime is 2605432517. The reversal of 2605432511 is 1152345062.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2605432511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605432517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54341 + ... + 90353.

It is an arithmetic number, because the mean of its divisors is an integer number (355350138).

Almost surely, 2^2605432511 is an apocalyptic number.

2605432511 is a deficient number, since it is larger than the sum of its proper divisors (237368593).

2605432511 is a wasteful number, since it uses less digits than its factorization.

2605432511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42601.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2605432511 is about 51043.4374920028. The cubic root of 2605432511 is about 1376.0259029779.

Adding to 2605432511 its reverse (1152345062), we get a palindrome (3757777573).

The spelling of 2605432511 in words is "two billion, six hundred five million, four hundred thirty-two thousand, five hundred eleven".