245329949 has 2 divisors, whose sum is σ = 245329950. Its totient is φ = 245329948.

The previous prime is 245329913. The next prime is 245329963. The reversal of 245329949 is 949923542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138062500 + 107267449 = 11750^2 + 10357^2 .

It is a cyclic number.

It is not a de Polignac number, because 245329949 - 2¹⁶ = 245264413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245329979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122664974 + 122664975.

It is an arithmetic number, because the mean of its divisors is an integer number (122664975).

Almost surely, 2^245329949 is an apocalyptic number.

It is an amenable number.

245329949 is a deficient number, since it is larger than the sum of its proper divisors (1).

245329949 is an equidigital number, since it uses as much as digits as its factorization.

245329949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 245329949 is about 15663.0121304939. The cubic root of 245329949 is about 626.0132462569.

The spelling of 245329949 in words is "two hundred forty-five million, three hundred twenty-nine thousand, nine hundred forty-nine".