1350440531 has 4 divisors (see below), whose sum is σ = 1473207864. Its totient is φ = 1227673200.

The previous prime is 1350440489. The next prime is 1350440537.

1350440531 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350440531 is a prime.

It is a super-2 number, since 2×1350440531² = 3647379255535123922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350440531.

It is not an unprimeable number, because it can be changed into a prime (1350440537) 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, 61383650 + ... + 61383671.

It is an arithmetic number, because the mean of its divisors is an integer number (368301966).

Almost surely, 2^1350440531 is an apocalyptic number.

1350440531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1350440531 is a deficient number, since it is larger than the sum of its proper divisors (122767333).

1350440531 is a wasteful number, since it uses less digits than its factorization.

1350440531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122767332.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1350440531 is about 36748.3405203555. The cubic root of 1350440531 is about 1105.3296535611.

The spelling of 1350440531 in words is "one billion, three hundred fifty million, four hundred forty thousand, five hundred thirty-one".