65051949 has 8 divisors (see below), whose sum is σ = 86808672. Its totient is φ = 43331600.

The previous prime is 65051947. The next prime is 65051951. The reversal of 65051949 is 94915056.

It is an interprime number because it is at equal distance from previous prime (65051947) and next prime (65051951).

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

It is a cyclic number.

It is not a de Polignac number, because 65051949 - 2¹ = 65051947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65051947) 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, 4602 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (10851084).

Almost surely, 2^65051949 is an apocalyptic number.

It is an amenable number.

65051949 is a deficient number, since it is larger than the sum of its proper divisors (21756723).

65051949 is a wasteful number, since it uses less digits than its factorization.

65051949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18187.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 65051949 is about 8065.4788450532. The cubic root of 65051949 is about 402.1796615319.

The spelling of 65051949 in words is "sixty-five million, fifty-one thousand, nine hundred forty-nine".