2631259 has 2 divisors, whose sum is σ = 2631260. Its totient is φ = 2631258.

The previous prime is 2631247. The next prime is 2631263. The reversal of 2631259 is 9521362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2631259 - 2¹⁷ = 2500187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2637259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315629 + 1315630.

It is an arithmetic number, because the mean of its divisors is an integer number (1315630).

2^2631259 is an apocalyptic number.

2631259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631259 is an equidigital number, since it uses as much as digits as its factorization.

2631259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 2631259 is about 1622.1155939082. The cubic root of 2631259 is about 138.0557605650.

The spelling of 2631259 in words is "two million, six hundred thirty-one thousand, two hundred fifty-nine".