2525558258 has 4 divisors (see below), whose sum is σ = 3788337390. Its totient is φ = 1262779128.

The previous prime is 2525558257. The next prime is 2525558291. The reversal of 2525558258 is 8528555252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1407525289 + 1118032969 = 37517^2 + 33437^2 .

It is not an unprimeable number, because it can be changed into a prime (2525558257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631389563 + ... + 631389566.

Almost surely, 2^2525558258 is an apocalyptic number.

2525558258 is a deficient number, since it is larger than the sum of its proper divisors (1262779132).

2525558258 is a wasteful number, since it uses less digits than its factorization.

2525558258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262779131.

The product of its digits is 1600000, while the sum is 47.

The square root of 2525558258 is about 50254.9326733207. The cubic root of 2525558258 is about 1361.8181884889.

The spelling of 2525558258 in words is "two billion, five hundred twenty-five million, five hundred fifty-eight thousand, two hundred fifty-eight".