1401533459 has 2 divisors, whose sum is σ = 1401533460. Its totient is φ = 1401533458.

The previous prime is 1401533449. The next prime is 1401533479. The reversal of 1401533459 is 9543351041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401533459 is a prime.

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, 700766729 + 700766730.

It is an arithmetic number, because the mean of its divisors is an integer number (700766730).

Almost surely, 2^1401533459 is an apocalyptic number.

1401533459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401533459 is an equidigital number, since it uses as much as digits as its factorization.

1401533459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1401533459 is about 37437.0599673639. The cubic root of 1401533459 is about 1119.0972367661.

It can be divided in two parts, 14015 and 33459, that added together give a palindrome (47474).

The spelling of 1401533459 in words is "one billion, four hundred one million, five hundred thirty-three thousand, four hundred fifty-nine".