1552344421325 has 12 divisors (see below), whose sum is σ = 2038136911380. Its totient is φ = 1168824034560.

The previous prime is 1552344421321. The next prime is 1552344421339. The reversal of 1552344421325 is 5231244432551.

It can be written as a sum of positive squares in 6 ways, for example, as 42095139241 + 1510249282084 = 205171^2 + 1228922^2 .

It is not a de Polignac number, because 1552344421325 - 2² = 1552344421321 is a prime.

It is a super-2 number, since 2×1552344421325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552344421321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1826287130 + ... + 1826287979.

It is an arithmetic number, because the mean of its divisors is an integer number (169844742615).

Almost surely, 2^{1552344421325} is an apocalyptic number.

It is an amenable number.

1552344421325 is a deficient number, since it is larger than the sum of its proper divisors (485792490055).

1552344421325 is a wasteful number, since it uses less digits than its factorization.

1552344421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652575136 (or 3652575131 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

Adding to 1552344421325 its reverse (5231244432551), we get a palindrome (6783588853876).

The spelling of 1552344421325 in words is "one trillion, five hundred fifty-two billion, three hundred forty-four million, four hundred twenty-one thousand, three hundred twenty-five".