1255025522 has 4 divisors (see below), whose sum is σ = 1882538286. Its totient is φ = 627512760.

The previous prime is 1255025503. The next prime is 1255025543. The reversal of 1255025522 is 2255205521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2255205521 = 317 ⋅7114213.

It can be written as a sum of positive squares in only one way, i.e., 1227030841 + 27994681 = 35029^2 + 5291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313756379 + ... + 313756382.

Almost surely, 2^1255025522 is an apocalyptic number.

1255025522 is a deficient number, since it is larger than the sum of its proper divisors (627512764).

1255025522 is an equidigital number, since it uses as much as digits as its factorization.

1255025522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627512763.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1255025522 is about 35426.3393818780. The cubic root of 1255025522 is about 1078.6590358632.

The spelling of 1255025522 in words is "one billion, two hundred fifty-five million, twenty-five thousand, five hundred twenty-two".