261053525753 has 8 divisors (see below), whose sum is σ = 262132917120. Its totient is φ = 259974988560.

The previous prime is 261053525749. The next prime is 261053525861. The reversal of 261053525753 is 357525350162.

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

It is a cyclic number.

It is not a de Polignac number, because 261053525753 - 2² = 261053525749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (261053525723) 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, 402626 + ... + 827172.

It is an arithmetic number, because the mean of its divisors is an integer number (32766614640).

Almost surely, 2^261053525753 is an apocalyptic number.

It is an amenable number.

261053525753 is a deficient number, since it is larger than the sum of its proper divisors (1079391367).

261053525753 is a wasteful number, since it uses less digits than its factorization.

261053525753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427087.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 261053525753 in words is "two hundred sixty-one billion, fifty-three million, five hundred twenty-five thousand, seven hundred fifty-three".