1530401534 has 4 divisors (see below), whose sum is σ = 2295602304. Its totient is φ = 765200766.

The previous prime is 1530401473. The next prime is 1530401549. The reversal of 1530401534 is 4351040351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4351040351 = 7 ⋅621577193.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382600382 + ... + 382600385.

It is an arithmetic number, because the mean of its divisors is an integer number (573900576).

Almost surely, 2^1530401534 is an apocalyptic number.

1530401534 is a deficient number, since it is larger than the sum of its proper divisors (765200770).

1530401534 is an equidigital number, since it uses as much as digits as its factorization.

1530401534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765200769.

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

The square root of 1530401534 is about 39120.3468031663. The cubic root of 1530401534 is about 1152.3961466924.

Adding to 1530401534 its reverse (4351040351), we get a palindrome (5881441885).

The spelling of 1530401534 in words is "one billion, five hundred thirty million, four hundred one thousand, five hundred thirty-four".