1405200325 has 12 divisors (see below), whose sum is σ = 1744991488. Its totient is φ = 1122519600.

The previous prime is 1405200323. The next prime is 1405200361. The reversal of 1405200325 is 5230025041.

It is not a de Polignac number, because 1405200325 - 2¹ = 1405200323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405200296 and 1405200305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405200323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23397 + ... + 57946.

Almost surely, 2^1405200325 is an apocalyptic number.

It is an amenable number.

1405200325 is a deficient number, since it is larger than the sum of its proper divisors (339791163).

1405200325 is an equidigital number, since it uses as much as digits as its factorization.

1405200325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82044 (or 82039 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1405200325 is about 37486.0017206423. The cubic root of 1405200325 is about 1120.0723605991.

Adding to 1405200325 its reverse (5230025041), we get a palindrome (6635225366).

The spelling of 1405200325 in words is "one billion, four hundred five million, two hundred thousand, three hundred twenty-five".