254533109 has 2 divisors, whose sum is σ = 254533110. Its totient is φ = 254533108.

The previous prime is 254533099. The next prime is 254533133. The reversal of 254533109 is 901335452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156325009 + 98208100 = 12503^2 + 9910^2 .

It is a cyclic number.

It is not a de Polignac number, because 254533109 - 2⁴ = 254533093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254533159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127266554 + 127266555.

It is an arithmetic number, because the mean of its divisors is an integer number (127266555).

Almost surely, 2^254533109 is an apocalyptic number.

It is an amenable number.

254533109 is a deficient number, since it is larger than the sum of its proper divisors (1).

254533109 is an equidigital number, since it uses as much as digits as its factorization.

254533109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 254533109 is about 15954.0938006519. The cubic root of 254533109 is about 633.7453134529.

The spelling of 254533109 in words is "two hundred fifty-four million, five hundred thirty-three thousand, one hundred nine".