1625213 has 8 divisors (see below), whose sum is σ = 1678080. Its totient is φ = 1573200.

The previous prime is 1625209. The next prime is 1625227. The reversal of 1625213 is 3125261.

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

It is a cyclic number.

It is not a de Polignac number, because 1625213 - 2² = 1625209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6983 + ... + 7211.

It is an arithmetic number, because the mean of its divisors is an integer number (209760).

2^1625213 is an apocalyptic number.

It is an amenable number.

1625213 is a deficient number, since it is larger than the sum of its proper divisors (52867).

1625213 is a wasteful number, since it uses less digits than its factorization.

1625213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427.

The product of its digits is 360, while the sum is 20.

The square root of 1625213 is about 1274.8384211342. The cubic root of 1625213 is about 117.5718709236.

The spelling of 1625213 in words is "one million, six hundred twenty-five thousand, two hundred thirteen".