1252353020 has 12 divisors (see below), whose sum is σ = 2629941384. Its totient is φ = 500941200.

The previous prime is 1252353019. The next prime is 1252353071. The reversal of 1252353020 is 203532521.

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 3 ways as a sum of consecutive naturals, for example, 31308806 + ... + 31308845.

It is an arithmetic number, because the mean of its divisors is an integer number (219161782).

Almost surely, 2^1252353020 is an apocalyptic number.

1252353020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252353020 is an abundant number, since it is smaller than the sum of its proper divisors (1377588364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252353020 is a wasteful number, since it uses less digits than its factorization.

1252353020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62617660 (or 62617658 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1252353020 is about 35388.6001418536. The cubic root of 1252353020 is about 1077.8928450576.

Adding to 1252353020 its reverse (203532521), we get a palindrome (1455885541).

The spelling of 1252353020 in words is "one billion, two hundred fifty-two million, three hundred fifty-three thousand, twenty".