65257701 has 8 divisors (see below), whose sum is σ = 87132864. Its totient is φ = 43443840.

The previous prime is 65257657. The next prime is 65257721. The reversal of 65257701 is 10775256.

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

It is not a de Polignac number, because 65257701 - 2⁶ = 65257637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65257721) 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, 12780 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (10891608).

Almost surely, 2^65257701 is an apocalyptic number.

It is an amenable number.

65257701 is a deficient number, since it is larger than the sum of its proper divisors (21875163).

65257701 is a wasteful number, since it uses less digits than its factorization.

65257701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30651.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 65257701 is about 8078.2238765709. The cubic root of 65257701 is about 402.6032316260.

The spelling of 65257701 in words is "sixty-five million, two hundred fifty-seven thousand, seven hundred one".