240532651 has 2 divisors, whose sum is σ = 240532652. Its totient is φ = 240532650.

The previous prime is 240532631. The next prime is 240532679. The reversal of 240532651 is 156235042.

It is an a-pointer prime, because the next prime (240532679) can be obtained adding 240532651 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240532651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240532601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120266325 + 120266326.

It is an arithmetic number, because the mean of its divisors is an integer number (120266326).

Almost surely, 2^240532651 is an apocalyptic number.

240532651 is a deficient number, since it is larger than the sum of its proper divisors (1).

240532651 is an equidigital number, since it uses as much as digits as its factorization.

240532651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 240532651 is about 15509.1150940342. The cubic root of 240532651 is about 621.9059033017.

Adding to 240532651 its reverse (156235042), we get a palindrome (396767693).

The spelling of 240532651 in words is "two hundred forty million, five hundred thirty-two thousand, six hundred fifty-one".