1572140831 has 2 divisors, whose sum is σ = 1572140832. Its totient is φ = 1572140830.

The previous prime is 1572140821. The next prime is 1572140881. The reversal of 1572140831 is 1380412751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1572140831 - 2¹⁸ = 1571878687 is a prime.

It is a super-2 number, since 2×1572140831² = 4943253584994741122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572140821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786070415 + 786070416.

It is an arithmetic number, because the mean of its divisors is an integer number (786070416).

Almost surely, 2^1572140831 is an apocalyptic number.

1572140831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572140831 is an equidigital number, since it uses as much as digits as its factorization.

1572140831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1572140831 is about 39650.2311594775. The cubic root of 1572140831 is about 1162.7789178661.

The spelling of 1572140831 in words is "one billion, five hundred seventy-two million, one hundred forty thousand, eight hundred thirty-one".