250066397 has 16 divisors (see below), whose sum is σ = 288629760. Its totient is φ = 212226048.

The previous prime is 250066381. The next prime is 250066409. The reversal of 250066397 is 793660052.

It is a cyclic number.

It is not a de Polignac number, because 250066397 - 2⁴ = 250066381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250066397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250066307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411668 + ... + 412274.

It is an arithmetic number, because the mean of its divisors is an integer number (18039360).

Almost surely, 2^250066397 is an apocalyptic number.

It is an amenable number.

250066397 is a deficient number, since it is larger than the sum of its proper divisors (38563363).

250066397 is a wasteful number, since it uses less digits than its factorization.

250066397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 250066397 is about 15813.4878189475. The cubic root of 250066397 is about 630.0162899962.

The spelling of 250066397 in words is "two hundred fifty million, sixty-six thousand, three hundred ninety-seven".