65149401 has 8 divisors (see below), whose sum is σ = 86912704. Its totient is φ = 43409520.

The previous prime is 65149397. The next prime is 65149421. The reversal of 65149401 is 10494156.

It is a happy number.

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

It is not a de Polignac number, because 65149401 - 2² = 65149397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65149421) 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, 2235 + ... + 11631.

It is an arithmetic number, because the mean of its divisors is an integer number (10864088).

Almost surely, 2^65149401 is an apocalyptic number.

It is an amenable number.

65149401 is a deficient number, since it is larger than the sum of its proper divisors (21763303).

65149401 is a wasteful number, since it uses less digits than its factorization.

65149401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 65149401 is about 8071.5178869900. The cubic root of 65149401 is about 402.3803916557.

The spelling of 65149401 in words is "sixty-five million, one hundred forty-nine thousand, four hundred one".