1525035223225 has 6 divisors (see below), whose sum is σ = 1891043676830. Its totient is φ = 1220028178560.

The previous prime is 1525035223223. The next prime is 1525035223259. The reversal of 1525035223225 is 5223225305251.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9450172944 + 1515585050281 = 97212^2 + 1231091^2 .

It is not a de Polignac number, because 1525035223225 - 2¹ = 1525035223223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1525035223223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30500704440 + ... + 30500704489.

Almost surely, 2^{1525035223225} is an apocalyptic number.

It is an amenable number.

1525035223225 is a deficient number, since it is larger than the sum of its proper divisors (366008453605).

1525035223225 is an equidigital number, since it uses as much as digits as its factorization.

1525035223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61001408939 (or 61001408934 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 1525035223225 in words is "one trillion, five hundred twenty-five billion, thirty-five million, two hundred twenty-three thousand, two hundred twenty-five".