82901249 has 2 divisors, whose sum is σ = 82901250. Its totient is φ = 82901248.

The previous prime is 82901239. The next prime is 82901251. The reversal of 82901249 is 94210928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 17372224 = 8095^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 82901249 - 2¹² = 82897153 is a prime.

Together with 82901251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82901239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41450624 + 41450625.

It is an arithmetic number, because the mean of its divisors is an integer number (41450625).

Almost surely, 2^82901249 is an apocalyptic number.

It is an amenable number.

82901249 is a deficient number, since it is larger than the sum of its proper divisors (1).

82901249 is an equidigital number, since it uses as much as digits as its factorization.

82901249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 82901249 is about 9105.0123009252. The cubic root of 82901249 is about 436.0340029733.

The spelling of 82901249 in words is "eighty-two million, nine hundred one thousand, two hundred forty-nine".