2575278253 has 2 divisors, whose sum is σ = 2575278254. Its totient is φ = 2575278252.

The previous prime is 2575278227. The next prime is 2575278287. The reversal of 2575278253 is 3528725752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2516326569 + 58951684 = 50163^2 + 7678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2575278253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575272253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287639126 + 1287639127.

It is an arithmetic number, because the mean of its divisors is an integer number (1287639127).

Almost surely, 2^2575278253 is an apocalyptic number.

It is an amenable number.

2575278253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575278253 is an equidigital number, since it uses as much as digits as its factorization.

2575278253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176000, while the sum is 46.

The square root of 2575278253 is about 50747.1994596746. The cubic root of 2575278253 is about 1370.6967619214.

The spelling of 2575278253 in words is "two billion, five hundred seventy-five million, two hundred seventy-eight thousand, two hundred fifty-three".