1405031325 has 48 divisors (see below), whose sum is σ = 2377080000. Its totient is φ = 732026880.

The previous prime is 1405031297. The next prime is 1405031333. The reversal of 1405031325 is 5231305041.

It is not a de Polignac number, because 1405031325 - 2¹⁸ = 1404769181 is a prime.

It is a super-2 number, since 2×1405031325² = 3948226048462511250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1405031295 and 1405031304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1124301 + ... + 1125549.

It is an arithmetic number, because the mean of its divisors is an integer number (49522500).

Almost surely, 2^1405031325 is an apocalyptic number.

1405031325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1405031325 is a deficient number, since it is larger than the sum of its proper divisors (972048675).

1405031325 is a wasteful number, since it uses less digits than its factorization.

1405031325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1405031325 is about 37483.7474780737. The cubic root of 1405031325 is about 1120.0274560127.

Adding to 1405031325 its reverse (5231305041), we get a palindrome (6636336366).

The spelling of 1405031325 in words is "one billion, four hundred five million, thirty-one thousand, three hundred twenty-five".