406562465 has 4 divisors (see below), whose sum is σ = 487874964. Its totient is φ = 325249968.

The previous prime is 406562459. The next prime is 406562509. The reversal of 406562465 is 564265604.

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 191324224 + 215238241 = 13832^2 + 14671^2 .

It is a cyclic number.

It is not a de Polignac number, because 406562465 - 2¹⁴ = 406546081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40656242 + ... + 40656251.

It is an arithmetic number, because the mean of its divisors is an integer number (121968741).

Almost surely, 2^406562465 is an apocalyptic number.

It is an amenable number.

406562465 is a deficient number, since it is larger than the sum of its proper divisors (81312499).

406562465 is an equidigital number, since it uses as much as digits as its factorization.

406562465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81312498.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 406562465 is about 20163.3941835198. The cubic root of 406562465 is about 740.8138507652.

The spelling of 406562465 in words is "four hundred six million, five hundred sixty-two thousand, four hundred sixty-five".