7513223157 has 12 divisors (see below), whose sum is σ = 11839018464. Its totient is φ = 4553468520.

The previous prime is 7513223129. The next prime is 7513223161.

It is a happy number.

7513223157 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7513223157 - 2¹⁴ = 7513206773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7513223857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37945473 + ... + 37945670.

It is an arithmetic number, because the mean of its divisors is an integer number (986584872).

Almost surely, 2^7513223157 is an apocalyptic number.

It is an amenable number.

7513223157 is a deficient number, since it is larger than the sum of its proper divisors (4325795307).

7513223157 is a wasteful number, since it uses less digits than its factorization.

7513223157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75891160 (or 75891157 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 7513223157 is about 86678.8506903501. The cubic root of 7513223157 is about 1958.5835209404.

It can be divided in two parts, 75132 and 23157, that added together give a palindrome (98289).

The spelling of 7513223157 in words is "seven billion, five hundred thirteen million, two hundred twenty-three thousand, one hundred fifty-seven".