65261253 has 8 divisors (see below), whose sum is σ = 87053728. Its totient is φ = 43488144.

The previous prime is 65261237. The next prime is 65261263. The reversal of 65261253 is 35216256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65261253 - 2⁴ = 65261237 is a prime.

It is a super-2 number, since 2×65261253² = 8518062286260018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65261253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65261263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7575 + ... + 13707.

It is an arithmetic number, because the mean of its divisors is an integer number (10881716).

Almost surely, 2^65261253 is an apocalyptic number.

It is an amenable number.

65261253 is a deficient number, since it is larger than the sum of its proper divisors (21792475).

65261253 is a wasteful number, since it uses less digits than its factorization.

65261253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683.

The product of its digits is 10800, while the sum is 30.

The square root of 65261253 is about 8078.4437238864. The cubic root of 65261253 is about 402.6105361061.

The spelling of 65261253 in words is "sixty-five million, two hundred sixty-one thousand, two hundred fifty-three".