65149003 has 4 divisors (see below), whose sum is σ = 66535200. Its totient is φ = 63762808.

The previous prime is 65148997. The next prime is 65149013. The reversal of 65149003 is 30094156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65149003 - 2¹³ = 65140811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65149013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693028 + ... + 693121.

It is an arithmetic number, because the mean of its divisors is an integer number (16633800).

Almost surely, 2^65149003 is an apocalyptic number.

65149003 is a deficient number, since it is larger than the sum of its proper divisors (1386197).

65149003 is a wasteful number, since it uses less digits than its factorization.

65149003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386196.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 65149003 is about 8071.4932323579. The cubic root of 65149003 is about 402.3795722687.

The spelling of 65149003 in words is "sixty-five million, one hundred forty-nine thousand, three".