258949027 has 2 divisors, whose sum is σ = 258949028. Its totient is φ = 258949026.

The previous prime is 258949021. The next prime is 258949039. The reversal of 258949027 is 720949852.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258949027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (258949021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129474513 + 129474514.

It is an arithmetic number, because the mean of its divisors is an integer number (129474514).

Almost surely, 2^258949027 is an apocalyptic number.

258949027 is a deficient number, since it is larger than the sum of its proper divisors (1).

258949027 is an equidigital number, since it uses as much as digits as its factorization.

258949027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 258949027 is about 16091.8932074508. The cubic root of 258949027 is about 637.3892890919.

The spelling of 258949027 in words is "two hundred fifty-eight million, nine hundred forty-nine thousand, twenty-seven".