1572252671025 has 81 divisors (see below), whose sum is σ = 2837976414091. Its totient is φ = 832064659680.

The previous prime is 1572252671023. The next prime is 1572252671057. The reversal of 1572252671025 is 5201762522751.

The square root of 1572252671025 is 1253895.

It is a perfect power (a square), and thus also a powerful number.

1572252671025 is a `hidden beast` number, since 1 + 57 + 2 + 2 + 526 + 71 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 566010961569 + 1006241709456 = 752337^2 + 1003116^2 .

It is not a de Polignac number, because 1572252671025 - 2¹ = 1572252671023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1572252671023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3366707842 + ... + 3366708308.

Almost surely, 2^{1572252671025} is an apocalyptic number.

1572252671025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1572252671025 is the 1253895-th square number.

1572252671025 is the 626948-th centered octagonal number.

It is an amenable number.

1572252671025 is a deficient number, since it is larger than the sum of its proper divisors (1265723743066).

1572252671025 is an frugal number, since it uses more digits than its factorization.

1572252671025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 1572252671025 in words is "one trillion, five hundred seventy-two billion, two hundred fifty-two million, six hundred seventy-one thousand, twenty-five".