1951237 has 2 divisors, whose sum is σ = 1951238. Its totient is φ = 1951236.

The previous prime is 1951223. The next prime is 1951249. The reversal of 1951237 is 7321591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 933156 = 1009^2 + 966^2 .

It is a cyclic number.

It is not a de Polignac number, because 1951237 - 2¹⁹ = 1426949 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1951837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975618 + 975619.

It is an arithmetic number, because the mean of its divisors is an integer number (975619).

2^1951237 is an apocalyptic number.

It is an amenable number.

1951237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1951237 is an equidigital number, since it uses as much as digits as its factorization.

1951237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 1951237 is about 1396.8668512067. The cubic root of 1951237 is about 124.9597096816.

The spelling of 1951237 in words is "one million, nine hundred fifty-one thousand, two hundred thirty-seven".