15240761 has 2 divisors, whose sum is σ = 15240762. Its totient is φ = 15240760.

The previous prime is 15240749. The next prime is 15240773. The reversal of 15240761 is 16704251.

15240761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (15240749) and next prime (15240773).

It can be written as a sum of positive squares in only one way, i.e., 7645225 + 7595536 = 2765^2 + 2756^2 .

It is a cyclic number.

It is not a de Polignac number, because 15240761 - 2¹⁸ = 14978617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15240761.

It is not a weakly prime, because it can be changed into another prime (15240961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620380 + 7620381.

It is an arithmetic number, because the mean of its divisors is an integer number (7620381).

Almost surely, 2^15240761 is an apocalyptic number.

It is an amenable number.

15240761 is a deficient number, since it is larger than the sum of its proper divisors (1).

15240761 is an equidigital number, since it uses as much as digits as its factorization.

15240761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 15240761 is about 3903.9417259995. The cubic root of 15240761 is about 247.9336939023.

The spelling of 15240761 in words is "fifteen million, two hundred forty thousand, seven hundred sixty-one".