1401455425 has 12 divisors (see below), whose sum is σ = 1739113020. Its totient is φ = 1120320320.

The previous prime is 1401455413. The next prime is 1401455431. The reversal of 1401455425 is 5245541041.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 401441296 + 1000014129 = 20036^2 + 31623^2 .

It is not a de Polignac number, because 1401455425 - 2¹³ = 1401447233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13911 + ... + 54739.

It is an arithmetic number, because the mean of its divisors is an integer number (144926085).

Almost surely, 2^1401455425 is an apocalyptic number.

It is an amenable number.

1401455425 is a deficient number, since it is larger than the sum of its proper divisors (337657595).

1401455425 is a wasteful number, since it uses less digits than its factorization.

1401455425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42212 (or 42207 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1401455425 is about 37436.0177502896. The cubic root of 1401455425 is about 1119.0764668363.

Adding to 1401455425 its reverse (5245541041), we get a palindrome (6646996466).

The spelling of 1401455425 in words is "one billion, four hundred one million, four hundred fifty-five thousand, four hundred twenty-five".