2780001533 has 2 divisors, whose sum is σ = 2780001534. Its totient is φ = 2780001532.

The previous prime is 2780001503. The next prime is 2780001563. The reversal of 2780001533 is 3351000872.

It is a balanced prime because it is at equal distance from previous prime (2780001503) and next prime (2780001563).

It can be written as a sum of positive squares in only one way, i.e., 2766444409 + 13557124 = 52597^2 + 3682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2780001533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2780001496 and 2780001505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2780001503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390000766 + 1390000767.

It is an arithmetic number, because the mean of its divisors is an integer number (1390000767).

Almost surely, 2^2780001533 is an apocalyptic number.

It is an amenable number.

2780001533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780001533 is an equidigital number, since it uses as much as digits as its factorization.

2780001533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2780001533 is about 52725.7198433554. The cubic root of 2780001533 is about 1406.0961263392.

The spelling of 2780001533 in words is "two billion, seven hundred eighty million, one thousand, five hundred thirty-three".