1424642531 has 4 divisors (see below), whose sum is σ = 1534230432. Its totient is φ = 1315054632.

The previous prime is 1424642489. The next prime is 1424642567. The reversal of 1424642531 is 1352464241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1352464241 = 2447 ⋅552703.

It is a cyclic number.

It is not a de Polignac number, because 1424642531 - 2¹⁸ = 1424380387 is a prime.

It is a super-2 number, since 2×1424642531² = 4059212682268171922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424642731) 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, 54793931 + ... + 54793956.

It is an arithmetic number, because the mean of its divisors is an integer number (383557608).

Almost surely, 2^1424642531 is an apocalyptic number.

1424642531 is a deficient number, since it is larger than the sum of its proper divisors (109587901).

1424642531 is a wasteful number, since it uses less digits than its factorization.

1424642531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109587900.

The product of its digits is 23040, while the sum is 32.

The square root of 1424642531 is about 37744.4370868079. The cubic root of 1424642531 is about 1125.2144528787.

The spelling of 1424642531 in words is "one billion, four hundred twenty-four million, six hundred forty-two thousand, five hundred thirty-one".