1555473125 has 10 divisors (see below), whose sum is σ = 1943719998. Its totient is φ = 1244378000.

The previous prime is 1555473083. The next prime is 1555473151. The reversal of 1555473125 is 5213745551.

It can be written as a sum of positive squares in 5 ways, for example, as 1028035969 + 527437156 = 32063^2 + 22966^2 .

It is not a de Polignac number, because 1555473125 - 2⁸ = 1555472869 is a prime.

It is a super-3 number, since 3×1555473125³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1243754 + ... + 1245003.

Almost surely, 2^1555473125 is an apocalyptic number.

It is an amenable number.

1555473125 is a deficient number, since it is larger than the sum of its proper divisors (388246873).

1555473125 is an frugal number, since it uses more digits than its factorization.

1555473125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488777 (or 2488762 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 1555473125 is about 39439.4868754653. The cubic root of 1555473125 is about 1158.6550814477.

The spelling of 1555473125 in words is "one billion, five hundred fifty-five million, four hundred seventy-three thousand, one hundred twenty-five".