153232249 has 2 divisors, whose sum is σ = 153232250. Its totient is φ = 153232248.

The previous prime is 153232213. The next prime is 153232253. The reversal of 153232249 is 942232351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110565225 + 42667024 = 10515^2 + 6532^2 .

It is a cyclic number.

It is not a de Polignac number, because 153232249 - 2²¹ = 151135097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153232249.

It is not a weakly prime, because it can be changed into another prime (153239249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76616124 + 76616125.

It is an arithmetic number, because the mean of its divisors is an integer number (76616125).

Almost surely, 2^153232249 is an apocalyptic number.

It is an amenable number.

153232249 is a deficient number, since it is larger than the sum of its proper divisors (1).

153232249 is an equidigital number, since it uses as much as digits as its factorization.

153232249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 153232249 is about 12378.7014262402. The cubic root of 153232249 is about 535.1186146294.

The spelling of 153232249 in words is "one hundred fifty-three million, two hundred thirty-two thousand, two hundred forty-nine".