1245353035252 has 6 divisors (see below), whose sum is σ = 2179367811698. Its totient is φ = 622676517624.

The previous prime is 1245353035049. The next prime is 1245353035253. The reversal of 1245353035252 is 2525303535421.

It can be written as a sum of positive squares in only one way, i.e., 1114536272656 + 130816762596 = 1055716^2 + 361686^2 .

It is a super-2 number, since 2×1245353035252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245353035253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155669129403 + ... + 155669129410.

Almost surely, 2^{1245353035252} is an apocalyptic number.

It is an amenable number.

1245353035252 is a deficient number, since it is larger than the sum of its proper divisors (934014776446).

1245353035252 is a wasteful number, since it uses less digits than its factorization.

1245353035252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311338258817 (or 311338258815 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 1245353035252 in words is "one trillion, two hundred forty-five billion, three hundred fifty-three million, thirty-five thousand, two hundred fifty-two".