245052949 has 2 divisors, whose sum is σ = 245052950. Its totient is φ = 245052948.

The previous prime is 245052931. The next prime is 245052989. The reversal of 245052949 is 949250542.

It is an a-pointer prime, because the next prime (245052989) can be obtained adding 245052949 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190026225 + 55026724 = 13785^2 + 7418^2 .

It is a cyclic number.

It is not a de Polignac number, because 245052949 - 2¹³ = 245044757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245052919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122526474 + 122526475.

It is an arithmetic number, because the mean of its divisors is an integer number (122526475).

Almost surely, 2^245052949 is an apocalyptic number.

It is an amenable number.

245052949 is a deficient number, since it is larger than the sum of its proper divisors (1).

245052949 is an equidigital number, since it uses as much as digits as its factorization.

245052949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 245052949 is about 15654.1671448851. The cubic root of 245052949 is about 625.7775487476. Note that the first 3 decimals are identical.

The spelling of 245052949 in words is "two hundred forty-five million, fifty-two thousand, nine hundred forty-nine".