2533404457 has 2 divisors, whose sum is σ = 2533404458. Its totient is φ = 2533404456.

The previous prime is 2533404443. The next prime is 2533404493. The reversal of 2533404457 is 7544043352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2360113561 + 173290896 = 48581^2 + 13164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533404457 - 2¹¹ = 2533402409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2533404407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266702228 + 1266702229.

It is an arithmetic number, because the mean of its divisors is an integer number (1266702229).

Almost surely, 2^2533404457 is an apocalyptic number.

It is an amenable number.

2533404457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533404457 is an equidigital number, since it uses as much as digits as its factorization.

2533404457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 37.

The square root of 2533404457 is about 50332.9361054966. The cubic root of 2533404457 is about 1363.2269925737.

The spelling of 2533404457 in words is "two billion, five hundred thirty-three million, four hundred four thousand, four hundred fifty-seven".