65147461 has 4 divisors (see below), whose sum is σ = 67249024. Its totient is φ = 63045900.

The previous prime is 65147437. The next prime is 65147471. The reversal of 65147461 is 16474156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65147461 - 2¹⁷ = 65016389 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 (65147471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050735 + ... + 1050796.

It is an arithmetic number, because the mean of its divisors is an integer number (16812256).

Almost surely, 2^65147461 is an apocalyptic number.

It is an amenable number.

65147461 is a deficient number, since it is larger than the sum of its proper divisors (2101563).

65147461 is a wasteful number, since it uses less digits than its factorization.

65147461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101562.

The product of its digits is 20160, while the sum is 34.

The square root of 65147461 is about 8071.3977104340. The cubic root of 65147461 is about 402.3763976272.

The spelling of 65147461 in words is "sixty-five million, one hundred forty-seven thousand, four hundred sixty-one".