1572149 has 2 divisors, whose sum is σ = 1572150. Its totient is φ = 1572148.

The previous prime is 1572113. The next prime is 1572163. The reversal of 1572149 is 9412751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 552049 = 1010^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572149 - 2⁸ = 1571893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786074 + 786075.

It is an arithmetic number, because the mean of its divisors is an integer number (786075).

2^1572149 is an apocalyptic number.

It is an amenable number.

1572149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572149 is an equidigital number, since it uses as much as digits as its factorization.

1572149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 1572149 is about 1253.8536597227. The cubic root of 1572149 is about 116.2780931834.

The spelling of 1572149 in words is "one million, five hundred seventy-two thousand, one hundred forty-nine".