65147901 has 48 divisors (see below), whose sum is σ = 110545344. Its totient is φ = 33820416.

The previous prime is 65147897. The next prime is 65147921. The reversal of 65147901 is 10974156.

It is not a de Polignac number, because 65147901 - 2² = 65147897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65147921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139270 + ... + 139736.

It is an arithmetic number, because the mean of its divisors is an integer number (2303028).

Almost surely, 2^65147901 is an apocalyptic number.

It is an amenable number.

65147901 is a deficient number, since it is larger than the sum of its proper divisors (45397443).

65147901 is a wasteful number, since it uses less digits than its factorization.

65147901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 65147901 is about 8071.4249671294. The cubic root of 65147901 is about 402.3773034963.

The spelling of 65147901 in words is "sixty-five million, one hundred forty-seven thousand, nine hundred one".