358242981 has 4 divisors (see below), whose sum is σ = 477657312. Its totient is φ = 238828652.

The previous prime is 358242979. The next prime is 358243007. The reversal of 358242981 is 189242853.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189242853 = 3 ⋅63080951.

It is a cyclic number.

It is not a de Polignac number, because 358242981 - 2¹ = 358242979 is a prime.

It is a super-2 number, since 2×358242981² = 256676066871532722, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (358242281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59707161 + ... + 59707166.

It is an arithmetic number, because the mean of its divisors is an integer number (119414328).

Almost surely, 2^358242981 is an apocalyptic number.

It is an amenable number.

358242981 is a deficient number, since it is larger than the sum of its proper divisors (119414331).

358242981 is a wasteful number, since it uses less digits than its factorization.

358242981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119414330.

The product of its digits is 138240, while the sum is 42.

The square root of 358242981 is about 18927.3078117306. The cubic root of 358242981 is about 710.2194527605.

The spelling of 358242981 in words is "three hundred fifty-eight million, two hundred forty-two thousand, nine hundred eighty-one".