1958253 has 8 divisors (see below), whose sum is σ = 2848416. Its totient is φ = 1186800.

The previous prime is 1958249. The next prime is 1958287. The reversal of 1958253 is 3528591.

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

It is not a de Polignac number, because 1958253 - 2² = 1958249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 59341 = 1958253 / (1 + 9 + 5 + 8 + 2 + 5 + 3).

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁵ + 8³ + 2⁵ + 5⁹ + 3⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29638 + ... + 29703.

It is an arithmetic number, because the mean of its divisors is an integer number (356052).

2^1958253 is an apocalyptic number.

It is an amenable number.

1958253 is a deficient number, since it is larger than the sum of its proper divisors (890163).

1958253 is a wasteful number, since it uses less digits than its factorization.

1958253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59355.

The product of its digits is 10800, while the sum is 33.

The square root of 1958253 is about 1399.3759323356. The cubic root of 1958253 is about 125.1093017305.

It can be divided in two parts, 1958 and 253, that added together give a triangular number (2211 = T₆₆).

The spelling of 1958253 in words is "one million, nine hundred fifty-eight thousand, two hundred fifty-three".