214772465 has 4 divisors (see below), whose sum is σ = 257726964. Its totient is φ = 171817968.

The previous prime is 214772443. The next prime is 214772477. The reversal of 214772465 is 564277412.

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 50112241 + 164660224 = 7079^2 + 12832^2 .

It is a cyclic number.

It is not a de Polignac number, because 214772465 - 2⁸ = 214772209 is a prime.

It is a super-2 number, since 2×214772465² = 92254423444352450, which contains 22 as substring.

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, 21477242 + ... + 21477251.

It is an arithmetic number, because the mean of its divisors is an integer number (64431741).

Almost surely, 2^214772465 is an apocalyptic number.

It is an amenable number.

214772465 is a deficient number, since it is larger than the sum of its proper divisors (42954499).

214772465 is an equidigital number, since it uses as much as digits as its factorization.

214772465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42954498.

The product of its digits is 94080, while the sum is 38.

The square root of 214772465 is about 14655.1173656167. The cubic root of 214772465 is about 598.8612335709.

The spelling of 214772465 in words is "two hundred fourteen million, seven hundred seventy-two thousand, four hundred sixty-five".