1253433950 has 24 divisors (see below), whose sum is σ = 2333370000. Its totient is φ = 500947200.

The previous prime is 1253433949. The next prime is 1253433989. The reversal of 1253433950 is 593343521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253433950.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 52415 + ... + 72485.

It is an arithmetic number, because the mean of its divisors is an integer number (97223750).

Almost surely, 2^1253433950 is an apocalyptic number.

1253433950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253433950 is a deficient number, since it is larger than the sum of its proper divisors (1079936050).

1253433950 is a wasteful number, since it uses less digits than its factorization.

1253433950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332 (or 21327 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 1253433950 is about 35403.8691388385. The cubic root of 1253433950 is about 1078.2028725660.

The spelling of 1253433950 in words is "one billion, two hundred fifty-three million, four hundred thirty-three thousand, nine hundred fifty".