64053250 has 32 divisors (see below), whose sum is σ = 120682224. Its totient is φ = 25456000.

The previous prime is 64053239. The next prime is 64053277. The reversal of 64053250 is 5235046.

It can be written as a sum of positive squares in 8 ways, for example, as 8982009 + 55071241 = 2997^2 + 7421^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42510 + ... + 43990.

Almost surely, 2^64053250 is an apocalyptic number.

64053250 is a deficient number, since it is larger than the sum of its proper divisors (56628974).

64053250 is a wasteful number, since it uses less digits than its factorization.

64053250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 64053250 is about 8003.3274330118. The cubic root of 64053250 is about 400.1109067464.

Adding to 64053250 its reverse (5235046), we get a palindrome (69288296).

The spelling of 64053250 in words is "sixty-four million, fifty-three thousand, two hundred fifty".