4002452515 has 4 divisors (see below), whose sum is σ = 4802943024. Its totient is φ = 3201962008.

The previous prime is 4002452491. The next prime is 4002452533. The reversal of 4002452515 is 5152542004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4002452515 - 2²³ = 3994063907 is a prime.

It is a super-2 number, since 2×4002452515² = 32039252269659650450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400245247 + ... + 400245256.

It is an arithmetic number, because the mean of its divisors is an integer number (1200735756).

Almost surely, 2^4002452515 is an apocalyptic number.

4002452515 is a deficient number, since it is larger than the sum of its proper divisors (800490509).

4002452515 is an equidigital number, since it uses as much as digits as its factorization.

4002452515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800490508.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4002452515 is about 63264.9390658048. The cubic root of 4002452515 is about 1587.7254127598.

Adding to 4002452515 its reverse (5152542004), we get a palindrome (9154994519).

The spelling of 4002452515 in words is "four billion, two million, four hundred fifty-two thousand, five hundred fifteen".