250065490 has 8 divisors (see below), whose sum is σ = 450117900. Its totient is φ = 100026192.

The previous prime is 250065457. The next prime is 250065493. The reversal of 250065490 is 94560052.

It can be written as a sum of positive squares in 2 ways, for example, as 248409121 + 1656369 = 15761^2 + 1287^2 .

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

It is not an unprimeable number, because it can be changed into a prime (250065493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12503265 + ... + 12503284.

Almost surely, 2^250065490 is an apocalyptic number.

250065490 is a deficient number, since it is larger than the sum of its proper divisors (200052410).

250065490 is a wasteful number, since it uses less digits than its factorization.

250065490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006556.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 250065490 is about 15813.4591408711. The cubic root of 250065490 is about 630.0155282979.

The spelling of 250065490 in words is "two hundred fifty million, sixty-five thousand, four hundred ninety".