65125313 has 4 divisors (see below), whose sum is σ = 71045808. Its totient is φ = 59204820.

The previous prime is 65125303. The next prime is 65125363. The reversal of 65125313 is 31352156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65125313 - 2⁸ = 65125057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65125303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960231 + ... + 2960252.

It is an arithmetic number, because the mean of its divisors is an integer number (17761452).

Almost surely, 2^65125313 is an apocalyptic number.

It is an amenable number.

65125313 is a deficient number, since it is larger than the sum of its proper divisors (5920495).

65125313 is a wasteful number, since it uses less digits than its factorization.

65125313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920494.

The product of its digits is 2700, while the sum is 26.

The square root of 65125313 is about 8070.0255885592. The cubic root of 65125313 is about 402.3307941996.

Adding to 65125313 its reverse (31352156), we get a palindrome (96477469).

The spelling of 65125313 in words is "sixty-five million, one hundred twenty-five thousand, three hundred thirteen".