1429451531 has 2 divisors, whose sum is σ = 1429451532. Its totient is φ = 1429451530.

The previous prime is 1429451519. The next prime is 1429451533. The reversal of 1429451531 is 1351549241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1429451531 is a prime.

It is a super-3 number, since 3×1429451531³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1429451533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1429451491 and 1429451500.

It is not a weakly prime, because it can be changed into another prime (1429451533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714725765 + 714725766.

It is an arithmetic number, because the mean of its divisors is an integer number (714725766).

Almost surely, 2^1429451531 is an apocalyptic number.

1429451531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429451531 is an equidigital number, since it uses as much as digits as its factorization.

1429451531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 1429451531 is about 37808.0881690677. The cubic root of 1429451531 is about 1126.4791161130.

The spelling of 1429451531 in words is "one billion, four hundred twenty-nine million, four hundred fifty-one thousand, five hundred thirty-one".