1572400206253 has 2 divisors, whose sum is σ = 1572400206254. Its totient is φ = 1572400206252.

The previous prime is 1572400206163. The next prime is 1572400206259. The reversal of 1572400206253 is 3526020042751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168999927209 + 403400279044 = 1081203^2 + 635138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1572400206253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572400206259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786200103126 + 786200103127.

It is an arithmetic number, because the mean of its divisors is an integer number (786200103127).

Almost surely, 2^{1572400206253} is an apocalyptic number.

It is an amenable number.

1572400206253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572400206253 is an equidigital number, since it uses as much as digits as its factorization.

1572400206253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 1572400206253 in words is "one trillion, five hundred seventy-two billion, four hundred million, two hundred six thousand, two hundred fifty-three".