1252500202 has 4 divisors (see below), whose sum is σ = 1878750306. Its totient is φ = 626250100.

The previous prime is 1252500199. The next prime is 1252500233. The reversal of 1252500202 is 2020052521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2020052521 = 509 ⋅3968669.

It can be written as a sum of positive squares in only one way, i.e., 1169708401 + 82791801 = 34201^2 + 9099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1252500202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313125049 + ... + 313125052.

Almost surely, 2^1252500202 is an apocalyptic number.

1252500202 is a deficient number, since it is larger than the sum of its proper divisors (626250104).

1252500202 is an equidigital number, since it uses as much as digits as its factorization.

1252500202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626250103.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1252500202 is about 35390.6795922316. The cubic root of 1252500202 is about 1077.9350696295.

Adding to 1252500202 its reverse (2020052521), we get a palindrome (3272552723).

The spelling of 1252500202 in words is "one billion, two hundred fifty-two million, five hundred thousand, two hundred two".