1253602430 has 32 divisors (see below), whose sum is σ = 2337465600. Its totient is φ = 483492352.

The previous prime is 1253602421. The next prime is 1253602433. The reversal of 1253602430 is 342063521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253602430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253602433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247766 + ... + 252774.

It is an arithmetic number, because the mean of its divisors is an integer number (73045800).

Almost surely, 2^1253602430 is an apocalyptic number.

1253602430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253602430 is a deficient number, since it is larger than the sum of its proper divisors (1083863170).

1253602430 is a wasteful number, since it uses less digits than its factorization.

1253602430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1253602430 is about 35406.2484598411. The cubic root of 1253602430 is about 1078.2511791884.

Adding to 1253602430 its reverse (342063521), we get a palindrome (1595665951).

The spelling of 1253602430 in words is "one billion, two hundred fifty-three million, six hundred two thousand, four hundred thirty".