1025700259 has 2 divisors, whose sum is σ = 1025700260. Its totient is φ = 1025700258.

The previous prime is 1025700229. The next prime is 1025700271. The reversal of 1025700259 is 9520075201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025700259 - 2¹⁹ = 1025175971 is a prime.

It is a super-2 number, since 2×1025700259² = 2104122042625334162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025700259.

It is not a weakly prime, because it can be changed into another prime (1025700229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512850129 + 512850130.

It is an arithmetic number, because the mean of its divisors is an integer number (512850130).

Almost surely, 2^1025700259 is an apocalyptic number.

1025700259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025700259 is an equidigital number, since it uses as much as digits as its factorization.

1025700259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1025700259 is about 32026.5555281863. Note that the first 4 decimals coincide. The cubic root of 1025700259 is about 1008.4943939676.

The spelling of 1025700259 in words is "one billion, twenty-five million, seven hundred thousand, two hundred fifty-nine".