70801249 has 2 divisors, whose sum is σ = 70801250. Its totient is φ = 70801248.

The previous prime is 70801207. The next prime is 70801259. The reversal of 70801249 is 94210807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 29430625 = 6432^2 + 5425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70801249 is a prime.

It is a Chen prime.

It is equal to p_4162378 and since 70801249 and 4162378 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70801249.

It is not a weakly prime, because it can be changed into another prime (70801259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35400624 + 35400625.

It is an arithmetic number, because the mean of its divisors is an integer number (35400625).

Almost surely, 2^70801249 is an apocalyptic number.

It is an amenable number.

70801249 is a deficient number, since it is larger than the sum of its proper divisors (1).

70801249 is an equidigital number, since it uses as much as digits as its factorization.

70801249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 70801249 is about 8414.3478059800. The cubic root of 70801249 is about 413.6950327821.

The spelling of 70801249 in words is "seventy million, eight hundred one thousand, two hundred forty-nine".