1631253 has 16 divisors (see below), whose sum is σ = 2366336. Its totient is φ = 993600.

The previous prime is 1631243. The next prime is 1631257. The reversal of 1631253 is 3521361.

It is not a de Polignac number, because 1631253 - 2¹⁷ = 1500181 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 (1631257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5751 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (147896).

2^1631253 is an apocalyptic number.

1631253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1631253 is a deficient number, since it is larger than the sum of its proper divisors (735083).

1631253 is a wasteful number, since it uses less digits than its factorization.

1631253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 540, while the sum is 21.

The square root of 1631253 is about 1277.2051518844. The cubic root of 1631253 is about 117.7173403050.

The spelling of 1631253 in words is "one million, six hundred thirty-one thousand, two hundred fifty-three".