65049623 has 2 divisors, whose sum is σ = 65049624. Its totient is φ = 65049622.

The previous prime is 65049571. The next prime is 65049629. The reversal of 65049623 is 32694056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65049623 - 2¹² = 65045527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65049629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32524811 + 32524812.

It is an arithmetic number, because the mean of its divisors is an integer number (32524812).

Almost surely, 2^65049623 is an apocalyptic number.

65049623 is a deficient number, since it is larger than the sum of its proper divisors (1).

65049623 is an equidigital number, since it uses as much as digits as its factorization.

65049623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 65049623 is about 8065.3346489777. The cubic root of 65049623 is about 402.1748680243.

The spelling of 65049623 in words is "sixty-five million, forty-nine thousand, six hundred twenty-three".