8513417542 has 32 divisors (see below), whose sum is σ = 15234649920. Its totient is φ = 3491786880.

The previous prime is 8513417537. The next prime is 8513417557. The reversal of 8513417542 is 2457143158.

It is a junction number, because it is equal to n+sod(n) for n = 8513417495 and 8513417504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103117 + ... + 166312.

It is an arithmetic number, because the mean of its divisors is an integer number (476082810).

Almost surely, 2^8513417542 is an apocalyptic number.

8513417542 is a deficient number, since it is larger than the sum of its proper divisors (6721232378).

8513417542 is a wasteful number, since it uses less digits than its factorization.

8513417542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269536.

The product of its digits is 134400, while the sum is 40.

The square root of 8513417542 is about 92268.1827175544. The cubic root of 8513417542 is about 2041.9008252224.

The spelling of 8513417542 in words is "eight billion, five hundred thirteen million, four hundred seventeen thousand, five hundred forty-two".