254252389 has 2 divisors, whose sum is σ = 254252390. Its totient is φ = 254252388.

The previous prime is 254252353. The next prime is 254252399. The reversal of 254252389 is 983252452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173791489 + 80460900 = 13183^2 + 8970^2 .

It is a cyclic number.

It is not a de Polignac number, because 254252389 - 2¹¹ = 254250341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254252399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127126194 + 127126195.

It is an arithmetic number, because the mean of its divisors is an integer number (127126195).

Almost surely, 2^254252389 is an apocalyptic number.

It is an amenable number.

254252389 is a deficient number, since it is larger than the sum of its proper divisors (1).

254252389 is an equidigital number, since it uses as much as digits as its factorization.

254252389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 254252389 is about 15945.2936316645. The cubic root of 254252389 is about 633.5122456372.

The spelling of 254252389 in words is "two hundred fifty-four million, two hundred fifty-two thousand, three hundred eighty-nine".