402552515 has 8 divisors (see below), whose sum is σ = 498645888. Its totient is φ = 311653440.

The previous prime is 402552499. The next prime is 402552539. The reversal of 402552515 is 515255204.

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

It is not a de Polignac number, because 402552515 - 2⁴ = 402552499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298402 + ... + 1298711.

It is an arithmetic number, because the mean of its divisors is an integer number (62330736).

Almost surely, 2^402552515 is an apocalyptic number.

402552515 is a deficient number, since it is larger than the sum of its proper divisors (96093373).

402552515 is a wasteful number, since it uses less digits than its factorization.

402552515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597149.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 402552515 is about 20063.7113964491. The cubic root of 402552515 is about 738.3702353996.

The spelling of 402552515 in words is "four hundred two million, five hundred fifty-two thousand, five hundred fifteen".