1497787241 has 2 divisors, whose sum is σ = 1497787242. Its totient is φ = 1497787240.

The previous prime is 1497787199. The next prime is 1497787253. The reversal of 1497787241 is 1427877941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043031616 + 454755625 = 32296^2 + 21325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1497787241 - 2³⁰ = 424045417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1497787241.

It is not a weakly prime, because it can be changed into another prime (1497787741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748893620 + 748893621.

It is an arithmetic number, because the mean of its divisors is an integer number (748893621).

Almost surely, 2^1497787241 is an apocalyptic number.

It is an amenable number.

1497787241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497787241 is an equidigital number, since it uses as much as digits as its factorization.

1497787241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 50.

The square root of 1497787241 is about 38701.2563232772. The cubic root of 1497787241 is about 1144.1510818221.

The spelling of 1497787241 in words is "one billion, four hundred ninety-seven million, seven hundred eighty-seven thousand, two hundred forty-one".