258215061 has 8 divisors (see below), whose sum is σ = 370770400. Its totient is φ = 158901552.

The previous prime is 258215059. The next prime is 258215081. The reversal of 258215061 is 160512852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 258215061 - 2¹ = 258215059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258215081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310411 + ... + 3310488.

It is an arithmetic number, because the mean of its divisors is an integer number (46346300).

Almost surely, 2^258215061 is an apocalyptic number.

It is an amenable number.

258215061 is a deficient number, since it is larger than the sum of its proper divisors (112555339).

258215061 is a wasteful number, since it uses less digits than its factorization.

258215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620915.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 258215061 is about 16069.0715662107. The cubic root of 258215061 is about 636.7865131086.

The spelling of 258215061 in words is "two hundred fifty-eight million, two hundred fifteen thousand, sixty-one".