272154247 has 2 divisors, whose sum is σ = 272154248. Its totient is φ = 272154246.

The previous prime is 272154227. The next prime is 272154263. The reversal of 272154247 is 742451272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272154247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272154227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136077123 + 136077124.

It is an arithmetic number, because the mean of its divisors is an integer number (136077124).

Almost surely, 2^272154247 is an apocalyptic number.

272154247 is a deficient number, since it is larger than the sum of its proper divisors (1).

272154247 is an equidigital number, since it uses as much as digits as its factorization.

272154247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 34.

The square root of 272154247 is about 16497.0981387637. The cubic root of 272154247 is about 648.0448127001.

The spelling of 272154247 in words is "two hundred seventy-two million, one hundred fifty-four thousand, two hundred forty-seven".