1252364632521 has 8 divisors (see below), whose sum is σ = 1687034144544. Its totient is φ = 826302437760.

The previous prime is 1252364632511. The next prime is 1252364632613.

1252364632521 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1252364632521 - 2¹⁵ = 1252364599753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252364632511) 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, 2151828975 + ... + 2151829556.

It is an arithmetic number, because the mean of its divisors is an integer number (210879268068).

Almost surely, 2^{1252364632521} is an apocalyptic number.

It is an amenable number.

1252364632521 is a deficient number, since it is larger than the sum of its proper divisors (434669512023).

1252364632521 is an equidigital number, since it uses as much as digits as its factorization.

1252364632521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303658631.

The product of its digits is 518400, while the sum is 42.

The spelling of 1252364632521 in words is "one trillion, two hundred fifty-two billion, three hundred sixty-four million, six hundred thirty-two thousand, five hundred twenty-one".