1901413 has 2 divisors, whose sum is σ = 1901414. Its totient is φ = 1901412.

The previous prime is 1901407. The next prime is 1901429. The reversal of 1901413 is 3141091.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014049 + 887364 = 1007^2 + 942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1901413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1961413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950706 + 950707.

It is an arithmetic number, because the mean of its divisors is an integer number (950707).

2^1901413 is an apocalyptic number.

It is an amenable number.

1901413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1901413 is an equidigital number, since it uses as much as digits as its factorization.

1901413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1901413 is about 1378.9173289215. The cubic root of 1901413 is about 123.8869286632.

The spelling of 1901413 in words is "one million, nine hundred one thousand, four hundred thirteen".