1252016474 has 4 divisors (see below), whose sum is σ = 1878024714. Its totient is φ = 626008236.

The previous prime is 1252016473. The next prime is 1252016537. The reversal of 1252016474 is 4746102521.

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., 1070925625 + 181090849 = 32725^2 + 13457^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1252016474.

It is not an unprimeable number, because it can be changed into a prime (1252016473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313004117 + ... + 313004120.

Almost surely, 2^1252016474 is an apocalyptic number.

1252016474 is a deficient number, since it is larger than the sum of its proper divisors (626008240).

1252016474 is an equidigital number, since it uses as much as digits as its factorization.

1252016474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626008239.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1252016474 is about 35383.8448165261. The cubic root of 1252016474 is about 1077.7962820227.

Adding to 1252016474 its reverse (4746102521), we get a palindrome (5998118995).

The spelling of 1252016474 in words is "one billion, two hundred fifty-two million, sixteen thousand, four hundred seventy-four".