7052638157 has 4 divisors (see below), whose sum is σ = 7202694336. Its totient is φ = 6902581980.

The previous prime is 7052638147. The next prime is 7052638169. The reversal of 7052638157 is 7518362507.

It is a happy number.

7052638157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7052638157 - 2⁴ = 7052638141 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 (7052638147) 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, 75028019 + ... + 75028112.

It is an arithmetic number, because the mean of its divisors is an integer number (1800673584).

Almost surely, 2^7052638157 is an apocalyptic number.

It is an amenable number.

7052638157 is a deficient number, since it is larger than the sum of its proper divisors (150056179).

7052638157 is a wasteful number, since it uses less digits than its factorization.

7052638157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150056178.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 7052638157 is about 83979.9866456289. The cubic root of 7052638157 is about 1917.7141268536.

The spelling of 7052638157 in words is "seven billion, fifty-two million, six hundred thirty-eight thousand, one hundred fifty-seven".