1252100325 has 24 divisors (see below), whose sum is σ = 2365874368. Its totient is φ = 572388480.

The previous prime is 1252100321. The next prime is 1252100341. The reversal of 1252100325 is 5230012521.

It is not a de Polignac number, because 1252100325 - 2² = 1252100321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252100321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1191952 + ... + 1193001.

Almost surely, 2^1252100325 is an apocalyptic number.

1252100325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1252100325 is a deficient number, since it is larger than the sum of its proper divisors (1113774043).

1252100325 is a wasteful number, since it uses less digits than its factorization.

1252100325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384973 (or 2384968 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1252100325 is about 35385.0296735781. The cubic root of 1252100325 is about 1077.8203424831.

Adding to 1252100325 its reverse (5230012521), we get a palindrome (6482112846).

The spelling of 1252100325 in words is "one billion, two hundred fifty-two million, one hundred thousand, three hundred twenty-five".