258963395 has 16 divisors (see below), whose sum is σ = 313774560. Its totient is φ = 205169664.

The previous prime is 258963391. The next prime is 258963409. The reversal of 258963395 is 593369852.

It is a cyclic number.

It is not a de Polignac number, because 258963395 - 2² = 258963391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258963391) 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, 278291 + ... + 279219.

It is an arithmetic number, because the mean of its divisors is an integer number (19610910).

Almost surely, 2^258963395 is an apocalyptic number.

258963395 is a deficient number, since it is larger than the sum of its proper divisors (54811165).

258963395 is a wasteful number, since it uses less digits than its factorization.

258963395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its digits is 1749600, while the sum is 50.

The square root of 258963395 is about 16092.3396372311. The cubic root of 258963395 is about 637.4010775637.

The spelling of 258963395 in words is "two hundred fifty-eight million, nine hundred sixty-three thousand, three hundred ninety-five".