65290950 has 36 divisors (see below), whose sum is σ = 175416228. Its totient is φ = 17410800.

The previous prime is 65290949. The next prime is 65290987. The reversal of 65290950 is 5909256.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72096 + ... + 72995.

It is an arithmetic number, because the mean of its divisors is an integer number (4872673).

Almost surely, 2^65290950 is an apocalyptic number.

65290950 is an abundant number, since it is smaller than the sum of its proper divisors (110125278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65290950 is a wasteful number, since it uses less digits than its factorization.

65290950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145109 (or 145101 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 65290950 is about 8080.2815545004. The cubic root of 65290950 is about 402.6715958797.

The spelling of 65290950 in words is "sixty-five million, two hundred ninety thousand, nine hundred fifty".