1531253 has 2 divisors, whose sum is σ = 1531254. Its totient is φ = 1531252.

The previous prime is 1531217. The next prime is 1531279. The reversal of 1531253 is 3521351.

1531253 is nontrivially palindromic in base 4 and base 8.

1531253 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385329 + 145924 = 1177^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1531253 - 2¹⁰ = 1530229 is a prime.

1531253 is an undulating number in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1539253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765626 + 765627.

It is an arithmetic number, because the mean of its divisors is an integer number (765627).

2^1531253 is an apocalyptic number.

It is an amenable number.

1531253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1531253 is an equidigital number, since it uses as much as digits as its factorization.

1531253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 20.

The square root of 1531253 is about 1237.4380792589. The cubic root of 1531253 is about 115.2609825738.

The spelling of 1531253 in words is "one million, five hundred thirty-one thousand, two hundred fifty-three".