652514987 has 4 divisors (see below), whose sum is σ = 663212016. Its totient is φ = 641817960.

The previous prime is 652514977. The next prime is 652515007. The reversal of 652514987 is 789415256.

It is a happy number.

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 652514987 - 2⁶ = 652514923 is a prime.

It is a super-2 number, since 2×652514987² = 851551616519220338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652514977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5348423 + ... + 5348544.

It is an arithmetic number, because the mean of its divisors is an integer number (165803004).

Almost surely, 2^652514987 is an apocalyptic number.

652514987 is a deficient number, since it is larger than the sum of its proper divisors (10697029).

652514987 is a wasteful number, since it uses less digits than its factorization.

652514987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697028.

The product of its digits is 604800, while the sum is 47.

The square root of 652514987 is about 25544.3729028528. The cubic root of 652514987 is about 867.3548880680.

It can be divided in two parts, 6525 and 14987, that added together give a palindrome (21512).

The spelling of 652514987 in words is "six hundred fifty-two million, five hundred fourteen thousand, nine hundred eighty-seven".