1485924431 has 4 divisors (see below), whose sum is σ = 1564131000. Its totient is φ = 1407717864.

The previous prime is 1485924413. The next prime is 1485924439. The reversal of 1485924431 is 1344295841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1485924431 - 2¹⁸ = 1485662287 is a prime.

It is a super-2 number, since 2×1485924431² = 4415942829285347522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485924439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39103256 + ... + 39103293.

It is an arithmetic number, because the mean of its divisors is an integer number (391032750).

Almost surely, 2^1485924431 is an apocalyptic number.

1485924431 is a deficient number, since it is larger than the sum of its proper divisors (78206569).

1485924431 is an equidigital number, since it uses as much as digits as its factorization.

1485924431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78206568.

The product of its digits is 138240, while the sum is 41.

The square root of 1485924431 is about 38547.6903458560. The cubic root of 1485924431 is about 1141.1224276495.

The spelling of 1485924431 in words is "one billion, four hundred eighty-five million, nine hundred twenty-four thousand, four hundred thirty-one".