1427501 has 2 divisors, whose sum is σ = 1427502. Its totient is φ = 1427500.

The previous prime is 1427483. The next prime is 1427509. The reversal of 1427501 is 1057241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857476 + 570025 = 926^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427501 - 2¹⁴ = 1411117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713750 + 713751.

It is an arithmetic number, because the mean of its divisors is an integer number (713751).

2^1427501 is an apocalyptic number.

It is an amenable number.

1427501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427501 is an equidigital number, since it uses as much as digits as its factorization.

1427501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1427501 is about 1194.7807330218. The cubic root of 1427501 is about 112.5966510976.

The spelling of 1427501 in words is "one million, four hundred twenty-seven thousand, five hundred one".