154315253 has 2 divisors, whose sum is σ = 154315254. Its totient is φ = 154315252.

The previous prime is 154315247. The next prime is 154315279. The reversal of 154315253 is 352513451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152349649 + 1965604 = 12343^2 + 1402^2 .

It is an emirp because it is prime and its reverse (352513451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154315253 - 2⁸ = 154314997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154315223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77157626 + 77157627.

It is an arithmetic number, because the mean of its divisors is an integer number (77157627).

Almost surely, 2^154315253 is an apocalyptic number.

It is an amenable number.

154315253 is a deficient number, since it is larger than the sum of its proper divisors (1).

154315253 is an equidigital number, since it uses as much as digits as its factorization.

154315253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 154315253 is about 12422.3690574705. The cubic root of 154315253 is about 536.3763472678.

The spelling of 154315253 in words is "one hundred fifty-four million, three hundred fifteen thousand, two hundred fifty-three".