101516399 has 2 divisors, whose sum is σ = 101516400. Its totient is φ = 101516398.

The previous prime is 101516353. The next prime is 101516407. The reversal of 101516399 is 993615101.

It is a strong prime.

It is an emirp because it is prime and its reverse (993615101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101516399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101546399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50758199 + 50758200.

It is an arithmetic number, because the mean of its divisors is an integer number (50758200).

Almost surely, 2^101516399 is an apocalyptic number.

101516399 is a deficient number, since it is larger than the sum of its proper divisors (1).

101516399 is an equidigital number, since it uses as much as digits as its factorization.

101516399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 101516399 is about 10075.5346756388. The cubic root of 101516399 is about 466.4932900733.

The spelling of 101516399 in words is "one hundred one million, five hundred sixteen thousand, three hundred ninety-nine".