1961527 has 2 divisors, whose sum is σ = 1961528. Its totient is φ = 1961526.

The previous prime is 1961513. The next prime is 1961537. The reversal of 1961527 is 7251691.

It is a strong prime.

It is an emirp because it is prime and its reverse (7251691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1961527 - 2¹⁹ = 1437239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1961537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980763 + 980764.

It is an arithmetic number, because the mean of its divisors is an integer number (980764).

2^1961527 is an apocalyptic number.

1961527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961527 is an equidigital number, since it uses as much as digits as its factorization.

1961527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 1961527 is about 1400.5452509648. The cubic root of 1961527 is about 125.1789862557.

The spelling of 1961527 in words is "one million, nine hundred sixty-one thousand, five hundred twenty-seven".