1496531421 has 24 divisors (see below), whose sum is σ = 2695053504. Its totient is φ = 777418560.

The previous prime is 1496531381. The next prime is 1496531431. The reversal of 1496531421 is 1241356941.

It is a happy number.

1496531421 is a `hidden beast` number, since 14 + 96 + 531 + 4 + 21 = 666.

It is not a de Polignac number, because 1496531421 - 2¹¹ = 1496529373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1496531431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079056 + ... + 1080441.

It is an arithmetic number, because the mean of its divisors is an integer number (112293896).

Almost surely, 2^1496531421 is an apocalyptic number.

1496531421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1496531421 is a deficient number, since it is larger than the sum of its proper divisors (1198522083).

1496531421 is a wasteful number, since it uses less digits than its factorization.

1496531421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159521 (or 2159518 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1496531421 is about 38685.0283830838. The cubic root of 1496531421 is about 1143.8312211783.

The spelling of 1496531421 in words is "one billion, four hundred ninety-six million, five hundred thirty-one thousand, four hundred twenty-one".