65129495 has 4 divisors (see below), whose sum is σ = 78155400. Its totient is φ = 52103592.

The previous prime is 65129489. The next prime is 65129497. The reversal of 65129495 is 59492156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65129495 - 2⁴ = 65129479 is a prime.

It is a super-2 number, since 2×65129495² = 8483702237910050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65129497) 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, 6512945 + ... + 6512954.

It is an arithmetic number, because the mean of its divisors is an integer number (19538850).

Almost surely, 2^65129495 is an apocalyptic number.

65129495 is a deficient number, since it is larger than the sum of its proper divisors (13025905).

65129495 is a wasteful number, since it uses less digits than its factorization.

65129495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13025904.

The product of its digits is 97200, while the sum is 41.

The square root of 65129495 is about 8070.2846913848. The cubic root of 65129495 is about 402.3394058607.

The spelling of 65129495 in words is "sixty-five million, one hundred twenty-nine thousand, four hundred ninety-five".