1958625 has 24 divisors (see below), whose sum is σ = 3532776. Its totient is φ = 1044000.

The previous prime is 1958617. The next prime is 1958633. The reversal of 1958625 is 5268591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1958617) and next prime (1958633).

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 1354896 = 777^2 + 1164^2 .

It is not a de Polignac number, because 1958625 - 2³ = 1958617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1958625.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (147199).

2^1958625 is an apocalyptic number.

1958625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1958625 is a deficient number, since it is larger than the sum of its proper divisors (1574151).

1958625 is a wasteful number, since it uses less digits than its factorization.

1958625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1749 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1958625 is about 1399.5088424158. The cubic root of 1958625 is about 125.1172233684.

The spelling of 1958625 in words is "one million, nine hundred fifty-eight thousand, six hundred twenty-five".