247430153 has 2 divisors, whose sum is σ = 247430154. Its totient is φ = 247430152.

The previous prime is 247430123. The next prime is 247430167. The reversal of 247430153 is 351034742.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138603529 + 108826624 = 11773^2 + 10432^2 .

It is a cyclic number.

It is not a de Polignac number, because 247430153 - 2¹⁰ = 247429129 is a prime.

It is a super-2 number, since 2×247430153² = 122443361227206818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247430123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123715076 + 123715077.

It is an arithmetic number, because the mean of its divisors is an integer number (123715077).

Almost surely, 2^247430153 is an apocalyptic number.

It is an amenable number.

247430153 is a deficient number, since it is larger than the sum of its proper divisors (1).

247430153 is an equidigital number, since it uses as much as digits as its factorization.

247430153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 247430153 is about 15729.9126825294. The cubic root of 247430153 is about 627.7945500541.

Adding to 247430153 its reverse (351034742), we get a palindrome (598464895).

The spelling of 247430153 in words is "two hundred forty-seven million, four hundred thirty thousand, one hundred fifty-three".