1352251420 has 48 divisors (see below), whose sum is σ = 3191146560. Its totient is φ = 477582336.

The previous prime is 1352251409. The next prime is 1352251421. The reversal of 1352251420 is 241522531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352251421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107085 + ... + 119044.

It is an arithmetic number, because the mean of its divisors is an integer number (66482220).

Almost surely, 2^1352251420 is an apocalyptic number.

1352251420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352251420 is an abundant number, since it is smaller than the sum of its proper divisors (1838895140).

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

1352251420 is a wasteful number, since it uses less digits than its factorization.

1352251420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226174 (or 226172 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1352251420 is about 36772.9713240581. The cubic root of 1352251420 is about 1105.8235011188.

Adding to 1352251420 its reverse (241522531), we get a palindrome (1593773951).

The spelling of 1352251420 in words is "one billion, three hundred fifty-two million, two hundred fifty-one thousand, four hundred twenty".