1000240477 has 2 divisors, whose sum is σ = 1000240478. Its totient is φ = 1000240476.

The previous prime is 1000240453. The next prime is 1000240487. The reversal of 1000240477 is 7740420001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 999887641 + 352836 = 31621^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000240477 - 2⁷ = 1000240349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000240447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500120238 + 500120239.

It is an arithmetic number, because the mean of its divisors is an integer number (500120239).

Almost surely, 2^1000240477 is an apocalyptic number.

It is an amenable number.

1000240477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000240477 is an equidigital number, since it uses as much as digits as its factorization.

1000240477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1000240477 is about 31626.5786483458. The cubic root of 1000240477 is about 1000.0801525754.

Adding to 1000240477 its reverse (7740420001), we get a palindrome (8740660478).

The spelling of 1000240477 in words is "one billion, two hundred forty thousand, four hundred seventy-seven".