101432249 has 2 divisors, whose sum is σ = 101432250. Its totient is φ = 101432248.

The previous prime is 101432213. The next prime is 101432257. The reversal of 101432249 is 942234101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59182249 + 42250000 = 7693^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 101432249 - 2²⁴ = 84655033 is a prime.

It is a super-2 number, since 2×101432249² = 20577002274396002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101435249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50716124 + 50716125.

It is an arithmetic number, because the mean of its divisors is an integer number (50716125).

Almost surely, 2^101432249 is an apocalyptic number.

It is an amenable number.

101432249 is a deficient number, since it is larger than the sum of its proper divisors (1).

101432249 is an equidigital number, since it uses as much as digits as its factorization.

101432249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 101432249 is about 10071.3578528419. The cubic root of 101432249 is about 466.3643576631.

The spelling of 101432249 in words is "one hundred one million, four hundred thirty-two thousand, two hundred forty-nine".