1465420247 has 4 divisors (see below), whose sum is σ = 1551621456. Its totient is φ = 1379219040.

The previous prime is 1465420219. The next prime is 1465420249. The reversal of 1465420247 is 7420245641.

It is a happy number.

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 1465420247 - 2¹⁰ = 1465419223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465420249) 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, 43100579 + ... + 43100612.

It is an arithmetic number, because the mean of its divisors is an integer number (387905364).

Almost surely, 2^1465420247 is an apocalyptic number.

1465420247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1465420247 is a deficient number, since it is larger than the sum of its proper divisors (86201209).

1465420247 is an equidigital number, since it uses as much as digits as its factorization.

1465420247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86201208.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 1465420247 is about 38280.8078154054. The cubic root of 1465420247 is about 1135.8493379406.

Adding to 1465420247 its reverse (7420245641), we get a palindrome (8885665888).

The spelling of 1465420247 in words is "one billion, four hundred sixty-five million, four hundred twenty thousand, two hundred forty-seven".