64265250 has 64 divisors (see below), whose sum is σ = 183336192. Its totient is φ = 14688000.

The previous prime is 64265249. The next prime is 64265251. The reversal of 64265250 is 5256246.

It is an interprime number because it is at equal distance from previous prime (64265249) and next prime (64265251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (64265251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871 + ... + 11370.

It is an arithmetic number, because the mean of its divisors is an integer number (2864628).

Almost surely, 2^64265250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64265250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91668096).

64265250 is an abundant number, since it is smaller than the sum of its proper divisors (119070942).

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

64265250 is a wasteful number, since it uses less digits than its factorization.

64265250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 64265250 is about 8016.5609833644. The cubic root of 64265250 is about 400.5518424912.

The spelling of 64265250 in words is "sixty-four million, two hundred sixty-five thousand, two hundred fifty".