258140049 has 16 divisors (see below), whose sum is σ = 356555520. Its totient is φ = 165925760.

The previous prime is 258140041. The next prime is 258140081. The reversal of 258140049 is 940041852.

It is a cyclic number.

It is not a de Polignac number, because 258140049 - 2³ = 258140041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258140041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77629 + ... + 80885.

It is an arithmetic number, because the mean of its divisors is an integer number (22284720).

Almost surely, 2^258140049 is an apocalyptic number.

258140049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

258140049 is a deficient number, since it is larger than the sum of its proper divisors (98415471).

258140049 is a wasteful number, since it uses less digits than its factorization.

258140049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 258140049 is about 16066.7373477007. The cubic root of 258140049 is about 636.7248445446.

The spelling of 258140049 in words is "two hundred fifty-eight million, one hundred forty thousand, forty-nine".