1325290 has 8 divisors (see below), whose sum is σ = 2385540. Its totient is φ = 530112.

The previous prime is 1325287. The next prime is 1325293. The reversal of 1325290 is 925231.

1325290 = T₃₅₄ + T₃₅₅ + ... + T₃₇₃.

It is an interprime number because it is at equal distance from previous prime (1325287) and next prime (1325293).

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 23409 = 1141^2 + 153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1325293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66255 + ... + 66274.

2^1325290 is an apocalyptic number.

1325290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325290 is a deficient number, since it is larger than the sum of its proper divisors (1060250).

1325290 is a wasteful number, since it uses less digits than its factorization.

1325290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132536.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1325290 is about 1151.2124043807. The cubic root of 1325290 is about 109.8424742471.

The spelling of 1325290 in words is "one million, three hundred twenty-five thousand, two hundred ninety".