405342053 has 8 divisors (see below), whose sum is σ = 419800320. Its totient is φ = 391126960.

The previous prime is 405342023. The next prime is 405342071. The reversal of 405342053 is 350243504.

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

It is a cyclic number.

It is not a de Polignac number, because 405342053 - 2²⁴ = 388564837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405342013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57398 + ... + 64071.

It is an arithmetic number, because the mean of its divisors is an integer number (52475040).

Almost surely, 2^405342053 is an apocalyptic number.

It is an amenable number.

405342053 is a deficient number, since it is larger than the sum of its proper divisors (14458267).

405342053 is a wasteful number, since it uses less digits than its factorization.

405342053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121587.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 405342053 is about 20133.1083789861. The cubic root of 405342053 is about 740.0718538701.

Adding to 405342053 its reverse (350243504), we get a palindrome (755585557).

The spelling of 405342053 in words is "four hundred five million, three hundred forty-two thousand, fifty-three".