250408481 has 2 divisors, whose sum is σ = 250408482. Its totient is φ = 250408480.

The previous prime is 250408439. The next prime is 250408493. The reversal of 250408481 is 184804052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162817600 + 87590881 = 12760^2 + 9359^2 .

It is a cyclic number.

It is not a de Polignac number, because 250408481 - 2¹⁴ = 250392097 is a prime.

It is a super-2 number, since 2×250408481² = 125408814713454722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250408381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125204240 + 125204241.

It is an arithmetic number, because the mean of its divisors is an integer number (125204241).

Almost surely, 2^250408481 is an apocalyptic number.

It is an amenable number.

250408481 is a deficient number, since it is larger than the sum of its proper divisors (1).

250408481 is an equidigital number, since it uses as much as digits as its factorization.

250408481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 250408481 is about 15824.3003320842. The cubic root of 250408481 is about 630.3034407893.

The spelling of 250408481 in words is "two hundred fifty million, four hundred eight thousand, four hundred eighty-one".