65425013 has 2 divisors, whose sum is σ = 65425014. Its totient is φ = 65425012.

The previous prime is 65425007. The next prime is 65425021. The reversal of 65425013 is 31052456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 16662724 = 6983^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 65425013 - 2¹² = 65420917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65425093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32712506 + 32712507.

It is an arithmetic number, because the mean of its divisors is an integer number (32712507).

Almost surely, 2^65425013 is an apocalyptic number.

It is an amenable number.

65425013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65425013 is an equidigital number, since it uses as much as digits as its factorization.

65425013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 65425013 is about 8088.5729891001. The cubic root of 65425013 is about 402.9470115686.

Adding to 65425013 its reverse (31052456), we get a palindrome (96477469).

The spelling of 65425013 in words is "sixty-five million, four hundred twenty-five thousand, thirteen".