341455021 has 4 divisors (see below), whose sum is σ = 343224412. Its totient is φ = 339685632.

The previous prime is 341455001. The next prime is 341455069. The reversal of 341455021 is 120554143.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120554143 = 1871 ⋅64433.

It can be written as a sum of positive squares in 2 ways, for example, as 184579396 + 156875625 = 13586^2 + 12525^2 .

It is a cyclic number.

It is not a de Polignac number, because 341455021 - 2²¹ = 339357869 is a prime.

It is a super-2 number, since 2×341455021² = 233183062732220882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341455001) 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 3 ways as a sum of consecutive naturals, for example, 884406 + ... + 884791.

It is an arithmetic number, because the mean of its divisors is an integer number (85806103).

Almost surely, 2^341455021 is an apocalyptic number.

It is an amenable number.

341455021 is a deficient number, since it is larger than the sum of its proper divisors (1769391).

341455021 is a wasteful number, since it uses less digits than its factorization.

341455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769390.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 341455021 is about 18478.5015896852. The cubic root of 341455021 is about 698.9474118970.

The spelling of 341455021 in words is "three hundred forty-one million, four hundred fifty-five thousand, twenty-one".