625266261264261 has 8 divisors (see below), whose sum is σ = 843732786284640. Its totient is φ = 411821955210032.

The previous prime is 625266261264217. The next prime is 625266261264311. The reversal of 625266261264261 is 162462162662526.

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 625266261264261 - 2¹⁹ = 625266260739973 is a prime.

It is a super-3 number, since 3×625266261264261³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625266261264661) 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, 1255554741246 + ... + 1255554741743.

It is an arithmetic number, because the mean of its divisors is an integer number (105466598285580).

Almost surely, 2^{625266261264261} is an apocalyptic number.

It is an amenable number.

625266261264261 is a deficient number, since it is larger than the sum of its proper divisors (218466525020379).

625266261264261 is a wasteful number, since it uses less digits than its factorization.

625266261264261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511109483075.

The product of its digits is 29859840, while the sum is 57.

The spelling of 625266261264261 in words is "six hundred twenty-five trillion, two hundred sixty-six billion, two hundred sixty-one million, two hundred sixty-four thousand, two hundred sixty-one".