406087573 has 2 divisors, whose sum is σ = 406087574. Its totient is φ = 406087572.

The previous prime is 406087547. The next prime is 406087597. The reversal of 406087573 is 375780604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318515409 + 87572164 = 17847^2 + 9358^2 .

It is a cyclic number.

It is not a de Polignac number, because 406087573 - 2²¹ = 403990421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406087523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203043786 + 203043787.

It is an arithmetic number, because the mean of its divisors is an integer number (203043787).

Almost surely, 2^406087573 is an apocalyptic number.

It is an amenable number.

406087573 is a deficient number, since it is larger than the sum of its proper divisors (1).

406087573 is an equidigital number, since it uses as much as digits as its factorization.

406087573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 406087573 is about 20151.6146499480. The cubic root of 406087573 is about 740.5252984366.

The spelling of 406087573 in words is "four hundred six million, eighty-seven thousand, five hundred seventy-three".