1052400223025 has 12 divisors (see below), whose sum is σ = 1305013605852. Its totient is φ = 841896095040.

The previous prime is 1052400222967. The next prime is 1052400223033. The reversal of 1052400223025 is 5203220042501.

It can be written as a sum of positive squares in 6 ways, for example, as 64316510449 + 988083712576 = 253607^2 + 994024^2 .

It is not a de Polignac number, because 1052400223025 - 2¹⁸ = 1052399960881 is a prime.

It is a super-2 number, since 2×1052400223025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1052400222985 and 1052400223003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316859 + ... + 1484991.

It is an arithmetic number, because the mean of its divisors is an integer number (108751133821).

Almost surely, 2^{1052400223025} is an apocalyptic number.

It is an amenable number.

1052400223025 is a deficient number, since it is larger than the sum of its proper divisors (252613382827).

1052400223025 is a wasteful number, since it uses less digits than its factorization.

1052400223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204180 (or 1204175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 1052400223025 its reverse (5203220042501), we get a palindrome (6255620265526).

The spelling of 1052400223025 in words is "one trillion, fifty-two billion, four hundred million, two hundred twenty-three thousand, twenty-five".