1406031425 has 6 divisors (see below), whose sum is σ = 1743478998. Its totient is φ = 1124825120.

The previous prime is 1406031391. The next prime is 1406031437. The reversal of 1406031425 is 5241306041.

It can be written as a sum of positive squares in 3 ways, for example, as 87179569 + 1318851856 = 9337^2 + 36316^2 .

It is not a de Polignac number, because 1406031425 - 2¹⁶ = 1405965889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406031394 and 1406031403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28120604 + ... + 28120653.

It is an arithmetic number, because the mean of its divisors is an integer number (290579833).

Almost surely, 2^1406031425 is an apocalyptic number.

It is an amenable number.

1406031425 is a deficient number, since it is larger than the sum of its proper divisors (337447573).

1406031425 is an equidigital number, since it uses as much as digits as its factorization.

1406031425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56241267 (or 56241262 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1406031425 is about 37497.0855534133. The cubic root of 1406031425 is about 1120.2931378217.

Adding to 1406031425 its reverse (5241306041), we get a palindrome (6647337466).

The spelling of 1406031425 in words is "one billion, four hundred six million, thirty-one thousand, four hundred twenty-five".