1401533479 has 2 divisors, whose sum is σ = 1401533480. Its totient is φ = 1401533478.

The previous prime is 1401533459. The next prime is 1401533491. The reversal of 1401533479 is 9743351041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401533479 - 2⁵ = 1401533447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401533429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700766739 + 700766740.

It is an arithmetic number, because the mean of its divisors is an integer number (700766740).

Almost surely, 2^1401533479 is an apocalyptic number.

1401533479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401533479 is an equidigital number, since it uses as much as digits as its factorization.

1401533479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1401533479 is about 37437.0602344789. The cubic root of 1401533479 is about 1119.0972420893.

The spelling of 1401533479 in words is "one billion, four hundred one million, five hundred thirty-three thousand, four hundred seventy-nine".