1252572626 has 4 divisors (see below), whose sum is σ = 1878858942. Its totient is φ = 626286312.

The previous prime is 1252572547. The next prime is 1252572637. The reversal of 1252572626 is 6262752521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6262752521 = 10271 ⋅609751.

It can be written as a sum of positive squares in only one way, i.e., 1242492001 + 10080625 = 35249^2 + 3175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1252572626.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313143155 + ... + 313143158.

Almost surely, 2^1252572626 is an apocalyptic number.

1252572626 is a deficient number, since it is larger than the sum of its proper divisors (626286316).

1252572626 is an equidigital number, since it uses as much as digits as its factorization.

1252572626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626286315.

The product of its digits is 100800, while the sum is 38.

The square root of 1252572626 is about 35391.7027846923. The cubic root of 1252572626 is about 1077.9558459042.

The spelling of 1252572626 in words is "one billion, two hundred fifty-two million, five hundred seventy-two thousand, six hundred twenty-six".