5215140451 has 8 divisors (see below), whose sum is σ = 5442691104. Its totient is φ = 4987656960.

The previous prime is 5215140443. The next prime is 5215140461. The reversal of 5215140451 is 1540415125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5215140451 - 2³ = 5215140443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215140401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203581 + ... + 227761.

It is an arithmetic number, because the mean of its divisors is an integer number (680336388).

Almost surely, 2^5215140451 is an apocalyptic number.

5215140451 is a deficient number, since it is larger than the sum of its proper divisors (227550653).

5215140451 is a wasteful number, since it uses less digits than its factorization.

5215140451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33581.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5215140451 is about 72215.9293438781. The cubic root of 5215140451 is about 1734.1580238075.

Adding to 5215140451 its reverse (1540415125), we get a palindrome (6755555576).

The spelling of 5215140451 in words is "five billion, two hundred fifteen million, one hundred forty thousand, four hundred fifty-one".