1352921 has 2 divisors, whose sum is σ = 1352922. Its totient is φ = 1352920.

The previous prime is 1352917. The next prime is 1352957. The reversal of 1352921 is 1292531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 440896 = 955^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352921 - 2² = 1352917 is a prime.

It is not a weakly prime, because it can be changed into another prime (1352521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676460 + 676461.

It is an arithmetic number, because the mean of its divisors is an integer number (676461).

2^1352921 is an apocalyptic number.

It is an amenable number.

1352921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352921 is an equidigital number, since it uses as much as digits as its factorization.

1352921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1352921 is about 1163.1513229155. The cubic root of 1352921 is about 110.6005990635.

The spelling of 1352921 in words is "one million, three hundred fifty-two thousand, nine hundred twenty-one".