252421610255258 has 8 divisors (see below), whose sum is σ = 378691678575540. Its totient is φ = 126191050730080.

The previous prime is 252421610255251. The next prime is 252421610255261. The reversal of 252421610255258 is 852552016124252.

It can be written as a sum of positive squares in 2 ways, for example, as 234473483125729 + 17948127129529 = 15312527^2 + 4236523^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252421610255251) 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, 9877182803 + ... + 9877208358.

Almost surely, 2^{252421610255258} is an apocalyptic number.

252421610255258 is a deficient number, since it is larger than the sum of its proper divisors (126270068320282).

252421610255258 is a wasteful number, since it uses less digits than its factorization.

252421610255258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19754397552.

The product of its (nonzero) digits is 3840000, while the sum is 50.

The spelling of 252421610255258 in words is "two hundred fifty-two trillion, four hundred twenty-one billion, six hundred ten million, two hundred fifty-five thousand, two hundred fifty-eight".