240281051 has 2 divisors, whose sum is σ = 240281052. Its totient is φ = 240281050.

The previous prime is 240281047. The next prime is 240281057. The reversal of 240281051 is 150182042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240281051 - 2² = 240281047 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240281057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120140525 + 120140526.

It is an arithmetic number, because the mean of its divisors is an integer number (120140526).

Almost surely, 2^240281051 is an apocalyptic number.

240281051 is a deficient number, since it is larger than the sum of its proper divisors (1).

240281051 is an equidigital number, since it uses as much as digits as its factorization.

240281051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 240281051 is about 15501.0016127991. The cubic root of 240281051 is about 621.6889873399.

Subtracting from 240281051 its reverse (150182042), we obtain a palindrome (90099009).

The spelling of 240281051 in words is "two hundred forty million, two hundred eighty-one thousand, fifty-one".