101245513 has 2 divisors, whose sum is σ = 101245514. Its totient is φ = 101245512.

The previous prime is 101245499. The next prime is 101245537. The reversal of 101245513 is 315542101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84492864 + 16752649 = 9192^2 + 4093^2 .

It is a cyclic number.

It is not a de Polignac number, because 101245513 - 2⁵ = 101245481 is a prime.

It is not a weakly prime, because it can be changed into another prime (101245553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50622756 + 50622757.

It is an arithmetic number, because the mean of its divisors is an integer number (50622757).

Almost surely, 2^101245513 is an apocalyptic number.

It is an amenable number.

101245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

101245513 is an equidigital number, since it uses as much as digits as its factorization.

101245513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 101245513 is about 10062.0829354563. The cubic root of 101245513 is about 466.0779907779.

Adding to 101245513 its reverse (315542101), we get a palindrome (416787614).

The spelling of 101245513 in words is "one hundred one million, two hundred forty-five thousand, five hundred thirteen".