257252007961334 has 8 divisors (see below), whose sum is σ = 406187380991640. Its totient is φ = 121856214297456.

The previous prime is 257252007961331. The next prime is 257252007961381. The reversal of 257252007961334 is 433169700252752.

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

It is a self number, because there is not a number n which added to its sum of digits gives 257252007961334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257252007961331) 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, 3384894841559 + ... + 3384894841634.

It is an arithmetic number, because the mean of its divisors is an integer number (50773422623955).

Almost surely, 2^{257252007961334} is an apocalyptic number.

257252007961334 is a deficient number, since it is larger than the sum of its proper divisors (148935373030306).

257252007961334 is a wasteful number, since it uses less digits than its factorization.

257252007961334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769789683214.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 257252007961334 in words is "two hundred fifty-seven trillion, two hundred fifty-two billion, seven million, nine hundred sixty-one thousand, three hundred thirty-four".