65153250 has 96 divisors (see below), whose sum is σ = 183980160. Its totient is φ = 16605600.

The previous prime is 65153239. The next prime is 65153267. The reversal of 65153250 is 5235156.

65153250 is a `hidden beast` number, since 651 + 5 + 3 + 2 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51121 + ... + 52379.

It is an arithmetic number, because the mean of its divisors is an integer number (1916460).

Almost surely, 2^65153250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65153250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91990080).

65153250 is an abundant number, since it is smaller than the sum of its proper divisors (118826910).

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

65153250 is a wasteful number, since it uses less digits than its factorization.

65153250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1292 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 65153250 is about 8071.7563144585. The cubic root of 65153250 is about 402.3883156561.

The spelling of 65153250 in words is "sixty-five million, one hundred fifty-three thousand, two hundred fifty".