7538658253 has 16 divisors (see below), whose sum is σ = 9071821440. Its totient is φ = 6119755200.

The previous prime is 7538658251. The next prime is 7538658269. The reversal of 7538658253 is 3528568357.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7538658253 - 2¹ = 7538658251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7538658253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7538658251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581583 + ... + 594403.

It is an arithmetic number, because the mean of its divisors is an integer number (566988840).

Almost surely, 2^7538658253 is an apocalyptic number.

It is an amenable number.

7538658253 is a deficient number, since it is larger than the sum of its proper divisors (1533163187).

7538658253 is a wasteful number, since it uses less digits than its factorization.

7538658253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17268.

The product of its digits is 6048000, while the sum is 52.

The square root of 7538658253 is about 86825.4470359929. The cubic root of 7538658253 is about 1960.7912129945.

The spelling of 7538658253 in words is "seven billion, five hundred thirty-eight million, six hundred fifty-eight thousand, two hundred fifty-three".