65403801 has 16 divisors (see below), whose sum is σ = 98539200. Its totient is φ = 42862464.

The previous prime is 65403797. The next prime is 65403829. The reversal of 65403801 is 10830456.

65403801 is a `hidden beast` number, since 654 + 0 + 3 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 65403801 - 2² = 65403797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (65407801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18936 + ... + 22121.

It is an arithmetic number, because the mean of its divisors is an integer number (6158700).

Almost surely, 2^65403801 is an apocalyptic number.

It is an amenable number.

65403801 is a deficient number, since it is larger than the sum of its proper divisors (33135399).

65403801 is a wasteful number, since it uses less digits than its factorization.

65403801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41125 (or 41119 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65403801 is about 8087.2616502745. The cubic root of 65403801 is about 402.9034592354.

The spelling of 65403801 in words is "sixty-five million, four hundred three thousand, eight hundred one".