372009013 has 4 divisors (see below), whose sum is σ = 384836940. Its totient is φ = 359181088.

The previous prime is 372009007. The next prime is 372009023. The reversal of 372009013 is 310900273.

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

It can be written as a sum of positive squares in 2 ways, for example, as 101143249 + 270865764 = 10057^2 + 16458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372009013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372009023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6413920 + ... + 6413977.

It is an arithmetic number, because the mean of its divisors is an integer number (96209235).

Almost surely, 2^372009013 is an apocalyptic number.

It is an amenable number.

372009013 is a deficient number, since it is larger than the sum of its proper divisors (12827927).

372009013 is a wasteful number, since it uses less digits than its factorization.

372009013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827926.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 372009013 is about 19287.5351717113. The cubic root of 372009013 is about 719.2024431185.

Adding to 372009013 its reverse (310900273), we get a palindrome (682909286).

The spelling of 372009013 in words is "three hundred seventy-two million, nine thousand, thirteen".