787240241 has 2 divisors, whose sum is σ = 787240242. Its totient is φ = 787240240.

The previous prime is 787240211. The next prime is 787240247. The reversal of 787240241 is 142042787.

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., 692742400 + 94497841 = 26320^2 + 9721^2 .

It is a cyclic number.

It is not a de Polignac number, because 787240241 - 2²² = 783045937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (787240247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393620120 + 393620121.

It is an arithmetic number, because the mean of its divisors is an integer number (393620121).

Almost surely, 2^787240241 is an apocalyptic number.

It is an amenable number.

787240241 is a deficient number, since it is larger than the sum of its proper divisors (1).

787240241 is an equidigital number, since it uses as much as digits as its factorization.

787240241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 787240241 is about 28057.8017848869. The cubic root of 787240241 is about 923.3558290890.

The spelling of 787240241 in words is "seven hundred eighty-seven million, two hundred forty thousand, two hundred forty-one".