101252497 has 4 divisors (see below), whose sum is σ = 102912436. Its totient is φ = 99592560.

The previous prime is 101252491. The next prime is 101252513. The reversal of 101252497 is 794252101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40972801 + 60279696 = 6401^2 + 7764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101252497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101252491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829878 + ... + 829999.

It is an arithmetic number, because the mean of its divisors is an integer number (25728109).

Almost surely, 2^101252497 is an apocalyptic number.

It is an amenable number.

101252497 is a deficient number, since it is larger than the sum of its proper divisors (1659939).

101252497 is an equidigital number, since it uses as much as digits as its factorization.

101252497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659938.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 101252497 is about 10062.4299749116. The cubic root of 101252497 is about 466.0887073478.

The spelling of 101252497 in words is "one hundred one million, two hundred fifty-two thousand, four hundred ninety-seven".