65253405 has 16 divisors (see below), whose sum is σ = 119320704. Its totient is φ = 29830080.

The previous prime is 65253379. The next prime is 65253421. The reversal of 65253405 is 50435256.

It is not a de Polignac number, because 65253405 - 2¹¹ = 65251357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310626 + ... + 310835.

It is an arithmetic number, because the mean of its divisors is an integer number (7457544).

Almost surely, 2^65253405 is an apocalyptic number.

It is an amenable number.

65253405 is a deficient number, since it is larger than the sum of its proper divisors (54067299).

65253405 is a wasteful number, since it uses less digits than its factorization.

65253405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621476.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 65253405 is about 8077.9579721610. The cubic root of 65253405 is about 402.5943967993.

The spelling of 65253405 in words is "sixty-five million, two hundred fifty-three thousand, four hundred five".