1253534210 has 8 divisors (see below), whose sum is σ = 2256361596. Its totient is φ = 501413680.

The previous prime is 1253534203. The next prime is 1253534257. The reversal of 1253534210 is 124353521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1206103441 + 47430769 = 34729^2 + 6887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1253534210.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62676701 + ... + 62676720.

Almost surely, 2^1253534210 is an apocalyptic number.

1253534210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253534210 is a deficient number, since it is larger than the sum of its proper divisors (1002827386).

1253534210 is a wasteful number, since it uses less digits than its factorization.

1253534210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125353428.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1253534210 is about 35405.2850574600. The cubic root of 1253534210 is about 1078.2316196566.

Adding to 1253534210 its reverse (124353521), we get a palindrome (1377887731).

The spelling of 1253534210 in words is "one billion, two hundred fifty-three million, five hundred thirty-four thousand, two hundred ten".