2561467535 has 16 divisors (see below), whose sum is σ = 3461363712. Its totient is φ = 1802791200.

The previous prime is 2561467529. The next prime is 2561467541. The reversal of 2561467535 is 5357641652.

It is a happy number.

2561467535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2561467529) and next prime (2561467541).

It is not a de Polignac number, because 2561467535 - 2⁶ = 2561467471 is a prime.

It is a super-2 number, since 2×2561467535² = 13122231865717952450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 749459 + ... + 752868.

It is an arithmetic number, because the mean of its divisors is an integer number (216335232).

Almost surely, 2^2561467535 is an apocalyptic number.

2561467535 is a deficient number, since it is larger than the sum of its proper divisors (899896177).

2561467535 is a wasteful number, since it uses less digits than its factorization.

2561467535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502374.

The product of its digits is 756000, while the sum is 44.

The square root of 2561467535 is about 50610.9428384811. The cubic root of 2561467535 is about 1368.2421084023.

The spelling of 2561467535 in words is "two billion, five hundred sixty-one million, four hundred sixty-seven thousand, five hundred thirty-five".