1952381 has 2 divisors, whose sum is σ = 1952382. Its totient is φ = 1952380.

The previous prime is 1952351. The next prime is 1952407. The reversal of 1952381 is 1832591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 722500 = 1109^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1952381 - 2⁶ = 1952317 is a prime.

It is a super-2 number, since 2×1952381² = 7623583138322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976190 + 976191.

It is an arithmetic number, because the mean of its divisors is an integer number (976191).

2^1952381 is an apocalyptic number.

It is an amenable number.

1952381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952381 is an equidigital number, since it uses as much as digits as its factorization.

1952381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 1952381 is about 1397.2762790515. The cubic root of 1952381 is about 124.9841259842.

The spelling of 1952381 in words is "one million, nine hundred fifty-two thousand, three hundred eighty-one".