1351465252 has 12 divisors (see below), whose sum is σ = 2504185740. Its totient is φ = 635983616.

The previous prime is 1351465223. The next prime is 1351465259. The reversal of 1351465252 is 2525641531.

It can be written as a sum of positive squares in 2 ways, for example, as 840072256 + 511392996 = 28984^2 + 22614^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1351465259) 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 3 ways as a sum of consecutive naturals, for example, 9937177 + ... + 9937312.

It is an arithmetic number, because the mean of its divisors is an integer number (208682145).

Almost surely, 2^1351465252 is an apocalyptic number.

It is an amenable number.

1351465252 is a deficient number, since it is larger than the sum of its proper divisors (1152720488).

1351465252 is a wasteful number, since it uses less digits than its factorization.

1351465252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874510 (or 19874508 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 1351465252 is about 36762.2802883608. The cubic root of 1351465252 is about 1105.6091594247.

The spelling of 1351465252 in words is "one billion, three hundred fifty-one million, four hundred sixty-five thousand, two hundred fifty-two".