1950913 has 2 divisors, whose sum is σ = 1950914. Its totient is φ = 1950912.

The previous prime is 1950889. The next prime is 1950919. The reversal of 1950913 is 3190591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 332929 = 1272^2 + 577^2 .

It is an emirp because it is prime and its reverse (3190591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1950913 - 2⁵ = 1950881 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1950919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975456 + 975457.

It is an arithmetic number, because the mean of its divisors is an integer number (975457).

2^1950913 is an apocalyptic number.

It is an amenable number.

1950913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950913 is an equidigital number, since it uses as much as digits as its factorization.

1950913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 1950913 is about 1396.7508725610. The cubic root of 1950913 is about 124.9527928408.

The spelling of 1950913 in words is "one million, nine hundred fifty thousand, nine hundred thirteen".