1401543413 has 2 divisors, whose sum is σ = 1401543414. Its totient is φ = 1401543412.

The previous prime is 1401543389. The next prime is 1401543421. The reversal of 1401543413 is 3143451041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1023552049 + 377991364 = 31993^2 + 19442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401543413 - 2¹⁶ = 1401477877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401542413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700771706 + 700771707.

It is an arithmetic number, because the mean of its divisors is an integer number (700771707).

Almost surely, 2^1401543413 is an apocalyptic number.

It is an amenable number.

1401543413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401543413 is an equidigital number, since it uses as much as digits as its factorization.

1401543413 is an evil number, because the sum of its binary digits is even.

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

The square root of 1401543413 is about 37437.1929102597. The cubic root of 1401543413 is about 1119.0998861183.

Adding to 1401543413 its reverse (3143451041), we get a palindrome (4544994454).

The spelling of 1401543413 in words is "one billion, four hundred one million, five hundred forty-three thousand, four hundred thirteen".