1553152425 has 48 divisors (see below), whose sum is σ = 2813897280. Its totient is φ = 749664000.

The previous prime is 1553152417. The next prime is 1553152427. The reversal of 1553152425 is 5242513551.

It is not a de Polignac number, because 1553152425 - 2³ = 1553152417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1553152427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184815 + ... + 193035.

It is an arithmetic number, because the mean of its divisors is an integer number (58622860).

Almost surely, 2^1553152425 is an apocalyptic number.

1553152425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1553152425 is a deficient number, since it is larger than the sum of its proper divisors (1260744855).

1553152425 is a wasteful number, since it uses less digits than its factorization.

1553152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474 (or 8469 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 1553152425 is about 39410.0548718217. The cubic root of 1553152425 is about 1158.0785732135.

Adding to 1553152425 its reverse (5242513551), we get a palindrome (6795665976).

The spelling of 1553152425 in words is "one billion, five hundred fifty-three million, one hundred fifty-two thousand, four hundred twenty-five".