1341531 has 6 divisors (see below), whose sum is σ = 1937780. Its totient is φ = 894348.

The previous prime is 1341523. The next prime is 1341539. The reversal of 1341531 is 1351431.

1341531 is a `hidden beast` number, since 134 + 1 + 531 = 666.

It is an interprime number because it is at equal distance from previous prime (1341523) and next prime (1341539).

It is not a de Polignac number, because 1341531 - 2³ = 1341523 is a prime.

It is a super-2 number, since 2×1341531² = 3599410847922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74521 + ... + 74538.

2^1341531 is an apocalyptic number.

1341531 is a deficient number, since it is larger than the sum of its proper divisors (596249).

1341531 is a wasteful number, since it uses less digits than its factorization.

1341531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149065 (or 149062 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 1341531 is about 1158.2447927791. The cubic root of 1341531 is about 110.2893484118.

Adding to 1341531 its reverse (1351431), we get a palindrome (2692962).

The spelling of 1341531 in words is "one million, three hundred forty-one thousand, five hundred thirty-one".