2153403125 has 12 divisors (see below), whose sum is σ = 2691585540. Its totient is φ = 1722720000.

The previous prime is 2153403113. The next prime is 2153403137. The reversal of 2153403125 is 5213043512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2153403113) and next prime (2153403137).

It can be written as a sum of positive squares in 6 ways, for example, as 1233554884 + 919848241 = 35122^2 + 30329^2 .

It is not a de Polignac number, because 2153403125 - 2¹⁰ = 2153402101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153403094 and 2153403103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341420 + ... + 347669.

It is an arithmetic number, because the mean of its divisors is an integer number (224298795).

Almost surely, 2^2153403125 is an apocalyptic number.

2153403125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2153403125 is a deficient number, since it is larger than the sum of its proper divisors (538182415).

2153403125 is an frugal number, since it uses more digits than its factorization.

2153403125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689114 (or 689094 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2153403125 is about 46404.7748082027. The cubic root of 2153403125 is about 1291.3434964429.

Adding to 2153403125 its reverse (5213043512), we get a palindrome (7366446637).

The spelling of 2153403125 in words is "two billion, one hundred fifty-three million, four hundred three thousand, one hundred twenty-five".