1252352240054 has 4 divisors (see below), whose sum is σ = 1878528360084. Its totient is φ = 626176120026.

The previous prime is 1252352240033. The next prime is 1252352240071. The reversal of 1252352240054 is 4500422532521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1252352240054² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252352239996 and 1252352240023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313088060012 + ... + 313088060015.

It is an arithmetic number, because the mean of its divisors is an integer number (469632090021).

Almost surely, 2^{1252352240054} is an apocalyptic number.

1252352240054 is a deficient number, since it is larger than the sum of its proper divisors (626176120030).

1252352240054 is an equidigital number, since it uses as much as digits as its factorization.

1252352240054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626176120029.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 1252352240054 its reverse (4500422532521), we get a palindrome (5752774772575).

The spelling of 1252352240054 in words is "one trillion, two hundred fifty-two billion, three hundred fifty-two million, two hundred forty thousand, fifty-four".