1553311425 has 24 divisors (see below), whose sum is σ = 2569415904. Its totient is φ = 828021760.

The previous prime is 1553311423. The next prime is 1553311433. The reversal of 1553311425 is 5241133551.

It is not a de Polignac number, because 1553311425 - 2¹ = 1553311423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1553311392 and 1553311401.

It is not an unprimeable number, because it can be changed into a prime (1553311423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202714 + ... + 210236.

It is an arithmetic number, because the mean of its divisors is an integer number (107058996).

Almost surely, 2^1553311425 is an apocalyptic number.

1553311425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553311425 is a deficient number, since it is larger than the sum of its proper divisors (1016104479).

1553311425 is a wasteful number, since it uses less digits than its factorization.

1553311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289 (or 10284 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1553311425 is about 39412.0720718919. The cubic root of 1553311425 is about 1158.1180903072.

Adding to 1553311425 its reverse (5241133551), we get a palindrome (6794444976).

The spelling of 1553311425 in words is "one billion, five hundred fifty-three million, three hundred eleven thousand, four hundred twenty-five".