662752451 has 4 divisors (see below), whose sum is σ = 665198304. Its totient is φ = 660306600.

The previous prime is 662752397. The next prime is 662752459. The reversal of 662752451 is 154257266.

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

It is a cyclic number.

It is not a de Polignac number, because 662752451 - 2¹⁸ = 662490307 is a prime.

It is a super-2 number, since 2×662752451² = 878481622613014802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662752459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222520 + ... + 1223061.

It is an arithmetic number, because the mean of its divisors is an integer number (166299576).

Almost surely, 2^662752451 is an apocalyptic number.

662752451 is a deficient number, since it is larger than the sum of its proper divisors (2445853).

662752451 is a wasteful number, since it uses less digits than its factorization.

662752451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445852.

The product of its digits is 100800, while the sum is 38.

The square root of 662752451 is about 25743.9789271200. The cubic root of 662752451 is about 871.8674165585.

The spelling of 662752451 in words is "six hundred sixty-two million, seven hundred fifty-two thousand, four hundred fifty-one".