153678953 has 2 divisors, whose sum is σ = 153678954. Its totient is φ = 153678952.

The previous prime is 153678919. The next prime is 153678961. The reversal of 153678953 is 359876351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135675904 + 18003049 = 11648^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 153678953 - 2⁸ = 153678697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153678898 and 153678907.

It is not a weakly prime, because it can be changed into another prime (153678913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76839476 + 76839477.

It is an arithmetic number, because the mean of its divisors is an integer number (76839477).

Almost surely, 2^153678953 is an apocalyptic number.

It is an amenable number.

153678953 is a deficient number, since it is larger than the sum of its proper divisors (1).

153678953 is an equidigital number, since it uses as much as digits as its factorization.

153678953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 153678953 is about 12396.7315450485. The cubic root of 153678953 is about 535.6381043129.

The spelling of 153678953 in words is "one hundred fifty-three million, six hundred seventy-eight thousand, nine hundred fifty-three".