1552355425 has 24 divisors (see below), whose sum is σ = 2076637176. Its totient is φ = 1146762240.

The previous prime is 1552355401. The next prime is 1552355507. The reversal of 1552355425 is 5245532551.

It can be written as a sum of positive squares in 12 ways, for example, as 182763361 + 1369592064 = 13519^2 + 37008^2 .

It is not a de Polignac number, because 1552355425 - 2⁹ = 1552354913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11934 + ... + 56983.

It is an arithmetic number, because the mean of its divisors is an integer number (86526549).

Almost surely, 2^1552355425 is an apocalyptic number.

It is an amenable number.

1552355425 is a deficient number, since it is larger than the sum of its proper divisors (524281751).

1552355425 is a wasteful number, since it uses less digits than its factorization.

1552355425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68997 (or 68992 counting only the distinct ones).

The product of its digits is 150000, while the sum is 37.

The square root of 1552355425 is about 39399.9419415816. The cubic root of 1552355425 is about 1157.8804500222.

Adding to 1552355425 its reverse (5245532551), we get a palindrome (6797887976).

The spelling of 1552355425 in words is "one billion, five hundred fifty-two million, three hundred fifty-five thousand, four hundred twenty-five".