1013252249 has 2 divisors, whose sum is σ = 1013252250. Its totient is φ = 1013252248.

The previous prime is 1013252243. The next prime is 1013252263. The reversal of 1013252249 is 9422523101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902581849 + 110670400 = 30043^2 + 10520^2 .

It is an emirp because it is prime and its reverse (9422523101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013252249 - 2²⁴ = 996475033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013252243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506626124 + 506626125.

It is an arithmetic number, because the mean of its divisors is an integer number (506626125).

Almost surely, 2^1013252249 is an apocalyptic number.

It is an amenable number.

1013252249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013252249 is an equidigital number, since it uses as much as digits as its factorization.

1013252249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1013252249 is about 31831.6234113185. The cubic root of 1013252249 is about 1004.3980451751.

The spelling of 1013252249 in words is "one billion, thirteen million, two hundred fifty-two thousand, two hundred forty-nine".