1401452513 has 2 divisors, whose sum is σ = 1401452514. Its totient is φ = 1401452512.

The previous prime is 1401452497. The next prime is 1401452573. The reversal of 1401452513 is 3152541041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950612224 + 450840289 = 30832^2 + 21233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401452513 - 2⁴ = 1401452497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401452573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700726256 + 700726257.

It is an arithmetic number, because the mean of its divisors is an integer number (700726257).

Almost surely, 2^1401452513 is an apocalyptic number.

It is an amenable number.

1401452513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401452513 is an equidigital number, since it uses as much as digits as its factorization.

1401452513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1401452513 is about 37435.9788572437. The cubic root of 1401452513 is about 1119.0756917485.

Adding to 1401452513 its reverse (3152541041), we get a palindrome (4553993554).

The spelling of 1401452513 in words is "one billion, four hundred one million, four hundred fifty-two thousand, five hundred thirteen".