1405323025 has 12 divisors (see below), whose sum is σ = 1754145664. Its totient is φ = 1116810000.

The previous prime is 1405322959. The next prime is 1405323053. The reversal of 1405323025 is 5203235041.

It is a de Polignac number, because none of the positive numbers 2^k-1405323025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian 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, 182361 + ... + 189910.

Almost surely, 2^1405323025 is an apocalyptic number.

It is an amenable number.

1405323025 is a deficient number, since it is larger than the sum of its proper divisors (348822639).

1405323025 is a wasteful number, since it uses less digits than its factorization.

1405323025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372432 (or 372427 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1405323025 is about 37487.6382958436. The cubic root of 1405323025 is about 1120.1049606671.

Adding to 1405323025 its reverse (5203235041), we get a palindrome (6608558066).

The spelling of 1405323025 in words is "one billion, four hundred five million, three hundred twenty-three thousand, twenty-five".