1253351323531 has 8 divisors (see below), whose sum is σ = 1327202894304. Its totient is φ = 1179513644160.

The previous prime is 1253351323513. The next prime is 1253351323537. The reversal of 1253351323531 is 1353231533521.

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 1253351323531 - 2²¹ = 1253349226379 is a prime.

It is a super-2 number, since 2×1253351323531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253351323537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286800 + ... + 3648253.

It is an arithmetic number, because the mean of its divisors is an integer number (165900361788).

Almost surely, 2^{1253351323531} is an apocalyptic number.

1253351323531 is a deficient number, since it is larger than the sum of its proper divisors (73851570773).

1253351323531 is a wasteful number, since it uses less digits than its factorization.

1253351323531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945701.

The product of its digits is 121500, while the sum is 37.

The spelling of 1253351323531 in words is "one trillion, two hundred fifty-three billion, three hundred fifty-one million, three hundred twenty-three thousand, five hundred thirty-one".