405361141 has 4 divisors (see below), whose sum is σ = 429205932. Its totient is φ = 381516352.

The previous prime is 405361139. The next prime is 405361147. The reversal of 405361141 is 141163504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150160516 + 255200625 = 12254^2 + 15975^2 .

It is a cyclic number.

It is not a de Polignac number, because 405361141 - 2¹ = 405361139 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 (405361147) 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, 11922370 + ... + 11922403.

It is an arithmetic number, because the mean of its divisors is an integer number (107301483).

Almost surely, 2^405361141 is an apocalyptic number.

It is an amenable number.

405361141 is a deficient number, since it is larger than the sum of its proper divisors (23844791).

405361141 is a wasteful number, since it uses less digits than its factorization.

405361141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23844790.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 405361141 is about 20133.5824184371. The cubic root of 405361141 is about 740.0834706184.

The spelling of 405361141 in words is "four hundred five million, three hundred sixty-one thousand, one hundred forty-one".