662051131 has 4 divisors (see below), whose sum is σ = 756629872. Its totient is φ = 567472392.

The previous prime is 662051129. The next prime is 662051141. The reversal of 662051131 is 131150266.

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 662051131 - 2¹ = 662051129 is a prime.

It is a super-2 number, since 2×662051131² = 876623400116758322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662051096 and 662051105.

It is not an unprimeable number, because it can be changed into a prime (662051141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47289360 + ... + 47289373.

It is an arithmetic number, because the mean of its divisors is an integer number (189157468).

Almost surely, 2^662051131 is an apocalyptic number.

662051131 is a deficient number, since it is larger than the sum of its proper divisors (94578741).

662051131 is an equidigital number, since it uses as much as digits as its factorization.

662051131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94578740.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 662051131 is about 25730.3542727262. The cubic root of 662051131 is about 871.5597733539.

The spelling of 662051131 in words is "six hundred sixty-two million, fifty-one thousand, one hundred thirty-one".