1401442351 has 2 divisors, whose sum is σ = 1401442352. Its totient is φ = 1401442350.

The previous prime is 1401442307. The next prime is 1401442403. The reversal of 1401442351 is 1532441041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401442351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401442751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700721175 + 700721176.

It is an arithmetic number, because the mean of its divisors is an integer number (700721176).

Almost surely, 2^1401442351 is an apocalyptic number.

1401442351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401442351 is an equidigital number, since it uses as much as digits as its factorization.

1401442351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1401442351 is about 37435.8431319504. The cubic root of 1401442351 is about 1119.0729869180.

Adding to 1401442351 its reverse (1532441041), we get a palindrome (2933883392).

It can be divided in two parts, 14014 and 42351, that added together give a palindrome (56365).

The spelling of 1401442351 in words is "one billion, four hundred one million, four hundred forty-two thousand, three hundred fifty-one".