652012442 has 4 divisors (see below), whose sum is σ = 978018666. Its totient is φ = 326006220.

The previous prime is 652012399. The next prime is 652012447. The reversal of 652012442 is 244210256.

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

It can be written as a sum of positive squares in only one way, i.e., 599319361 + 52693081 = 24481^2 + 7259^2 .

It is not an unprimeable number, because it can be changed into a prime (652012447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163003109 + ... + 163003112.

Almost surely, 2^652012442 is an apocalyptic number.

652012442 is a deficient number, since it is larger than the sum of its proper divisors (326006224).

652012442 is a wasteful number, since it uses less digits than its factorization.

652012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326006223.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 652012442 is about 25534.5343016081. The cubic root of 652012442 is about 867.1321617348.

Adding to 652012442 its reverse (244210256), we get a palindrome (896222698).

The spelling of 652012442 in words is "six hundred fifty-two million, twelve thousand, four hundred forty-two".