240250457 has 2 divisors, whose sum is σ = 240250458. Its totient is φ = 240250456.

The previous prime is 240250441. The next prime is 240250469. The reversal of 240250457 is 754052042.

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., 211295296 + 28955161 = 14536^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 240250457 - 2⁴ = 240250441 is a prime.

It is a Chen prime.

It is equal to p_13174634 and since 240250457 and 13174634 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (240250357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120125228 + 120125229.

It is an arithmetic number, because the mean of its divisors is an integer number (120125229).

Almost surely, 2^240250457 is an apocalyptic number.

It is an amenable number.

240250457 is a deficient number, since it is larger than the sum of its proper divisors (1).

240250457 is an equidigital number, since it uses as much as digits as its factorization.

240250457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 240250457 is about 15500.0147419285. The cubic root of 240250457 is about 621.6626005176.

The spelling of 240250457 in words is "two hundred forty million, two hundred fifty thousand, four hundred fifty-seven".