253433523505251 has 8 divisors (see below), whose sum is σ = 337929840954640. Its totient is φ = 168946444196352.

The previous prime is 253433523505223. The next prime is 253433523505319. The reversal of 253433523505251 is 152505325334352.

It is a happy number.

253433523505251 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253433523505251 - 2¹¹ = 253433523503203 is a prime.

It is a super-2 number, since 2×253433523505251² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253433523505251.

It is not an unprimeable number, because it can be changed into a prime (253433523505051) 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, 2309471110 + ... + 2309580843.

It is an arithmetic number, because the mean of its divisors is an integer number (42241230119330).

Almost surely, 2^{253433523505251} is an apocalyptic number.

253433523505251 is a deficient number, since it is larger than the sum of its proper divisors (84496317449389).

253433523505251 is a wasteful number, since it uses less digits than its factorization.

253433523505251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619070245.

The product of its (nonzero) digits is 8100000, while the sum is 48.

The spelling of 253433523505251 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, five hundred twenty-three million, five hundred five thousand, two hundred fifty-one".