1405402325 has 48 divisors (see below), whose sum is σ = 1925073216. Its totient is φ = 1013376000.

The previous prime is 1405402303. The next prime is 1405402333. The reversal of 1405402325 is 5232045041.

It is a happy number.

It is not a de Polignac number, because 1405402325 - 2⁸ = 1405402069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1405402294 and 1405402303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 967850 + ... + 969300.

It is an arithmetic number, because the mean of its divisors is an integer number (40105692).

Almost surely, 2^1405402325 is an apocalyptic number.

It is an amenable number.

1405402325 is a deficient number, since it is larger than the sum of its proper divisors (519670891).

1405402325 is a wasteful number, since it uses less digits than its factorization.

1405402325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1405402325 is about 37488.6959629166. The cubic root of 1405402325 is about 1120.1260288133.

Adding to 1405402325 its reverse (5232045041), we get a palindrome (6637447366).

The spelling of 1405402325 in words is "one billion, four hundred five million, four hundred two thousand, three hundred twenty-five".