65254739 has 12 divisors (see below), whose sum is σ = 72986280. Its totient is φ = 57859200.

The previous prime is 65254733. The next prime is 65254781. The reversal of 65254739 is 93745256.

It is not a de Polignac number, because 65254739 - 2¹² = 65250643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65254696 and 65254705.

It is not an unprimeable number, because it can be changed into a prime (65254733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16727 + ... + 20255.

It is an arithmetic number, because the mean of its divisors is an integer number (6082190).

Almost surely, 2^65254739 is an apocalyptic number.

65254739 is a deficient number, since it is larger than the sum of its proper divisors (7731541).

65254739 is a wasteful number, since it uses less digits than its factorization.

65254739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622 (or 3581 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 65254739 is about 8078.0405421117. The cubic root of 65254739 is about 402.5971402437.

The spelling of 65254739 in words is "sixty-five million, two hundred fifty-four thousand, seven hundred thirty-nine".