65040379 has 2 divisors, whose sum is σ = 65040380. Its totient is φ = 65040378.

The previous prime is 65040373. The next prime is 65040499. The reversal of 65040379 is 97304056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65040379 - 2¹⁹ = 64516091 is a prime.

It is not a weakly prime, because it can be changed into another prime (65040373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32520189 + 32520190.

It is an arithmetic number, because the mean of its divisors is an integer number (32520190).

Almost surely, 2^65040379 is an apocalyptic number.

65040379 is a deficient number, since it is larger than the sum of its proper divisors (1).

65040379 is an equidigital number, since it uses as much as digits as its factorization.

65040379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 65040379 is about 8064.7615587815. The cubic root of 65040379 is about 402.1558165144.

The spelling of 65040379 in words is "sixty-five million, forty thousand, three hundred seventy-nine".