406161373 has 2 divisors, whose sum is σ = 406161374. Its totient is φ = 406161372.

The previous prime is 406161323. The next prime is 406161403. The reversal of 406161373 is 373161604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392158809 + 14002564 = 19803^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 406161373 - 2⁹ = 406160861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406161323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203080686 + 203080687.

It is an arithmetic number, because the mean of its divisors is an integer number (203080687).

Almost surely, 2^406161373 is an apocalyptic number.

It is an amenable number.

406161373 is a deficient number, since it is larger than the sum of its proper divisors (1).

406161373 is an equidigital number, since it uses as much as digits as its factorization.

406161373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 406161373 is about 20153.4456855397. The cubic root of 406161373 is about 740.5701553102.

The spelling of 406161373 in words is "four hundred six million, one hundred sixty-one thousand, three hundred seventy-three".