2528247801 has 8 divisors (see below), whose sum is σ = 3397540864. Its totient is φ = 1672226640.

The previous prime is 2528247793. The next prime is 2528247889. The reversal of 2528247801 is 1087428252.

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

It is not a de Polignac number, because 2528247801 - 2³ = 2528247793 is a prime.

It is a super-2 number, since 2×2528247801² = 12784073886522671202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2528247801.

It is not an unprimeable number, because it can be changed into a prime (2528247301) 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, 3317530 + ... + 3318291.

It is an arithmetic number, because the mean of its divisors is an integer number (424692608).

Almost surely, 2^2528247801 is an apocalyptic number.

It is an amenable number.

2528247801 is a deficient number, since it is larger than the sum of its proper divisors (869293063).

2528247801 is a wasteful number, since it uses less digits than its factorization.

2528247801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635951.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2528247801 is about 50281.6845481533. The cubic root of 2528247801 is about 1362.3014307148.

The spelling of 2528247801 in words is "two billion, five hundred twenty-eight million, two hundred forty-seven thousand, eight hundred one".