1532213042 has 4 divisors (see below), whose sum is σ = 2298319566. Its totient is φ = 766106520.

The previous prime is 1532212943. The next prime is 1532213047. The reversal of 1532213042 is 2403122351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2403122351 = 7 ⋅343303193.

It can be written as a sum of positive squares in only one way, i.e., 841522081 + 690690961 = 29009^2 + 26281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1532212999 and 1532213017.

It is not an unprimeable number, because it can be changed into a prime (1532213047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383053259 + ... + 383053262.

Almost surely, 2^1532213042 is an apocalyptic number.

1532213042 is a deficient number, since it is larger than the sum of its proper divisors (766106524).

1532213042 is an equidigital number, since it uses as much as digits as its factorization.

1532213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766106523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1532213042 is about 39143.4929713739. The cubic root of 1532213042 is about 1152.8506574116.

Adding to 1532213042 its reverse (2403122351), we get a palindrome (3935335393).

The spelling of 1532213042 in words is "one billion, five hundred thirty-two million, two hundred thirteen thousand, forty-two".