1895261 has 2 divisors, whose sum is σ = 1895262. Its totient is φ = 1895260.

The previous prime is 1895249. The next prime is 1895263. The reversal of 1895261 is 1625981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 244036 = 1285^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 1895261 - 2¹⁸ = 1633117 is a prime.

Together with 1895263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1895263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947630 + 947631.

It is an arithmetic number, because the mean of its divisors is an integer number (947631).

2^1895261 is an apocalyptic number.

It is an amenable number.

1895261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1895261 is an equidigital number, since it uses as much as digits as its factorization.

1895261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 1895261 is about 1376.6847859986. The cubic root of 1895261 is about 123.7531727242.

The spelling of 1895261 in words is "one million, eight hundred ninety-five thousand, two hundred sixty-one".