2571552002 has 4 divisors (see below), whose sum is σ = 3857328006. Its totient is φ = 1285776000.

The previous prime is 2571552001. The next prime is 2571552013. The reversal of 2571552002 is 2002551752.

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

It can be written as a sum of positive squares in only one way, i.e., 1618533361 + 953018641 = 40231^2 + 30871^2 .

It is a super-2 number, since 2×2571552002² = 13225759397980416008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571552001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642887999 + ... + 642888002.

Almost surely, 2^2571552002 is an apocalyptic number.

2571552002 is a deficient number, since it is larger than the sum of its proper divisors (1285776004).

2571552002 is a wasteful number, since it uses less digits than its factorization.

2571552002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285776003.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 2571552002 is about 50710.4723109537. The cubic root of 2571552002 is about 1370.0353414081.

The spelling of 2571552002 in words is "two billion, five hundred seventy-one million, five hundred fifty-two thousand, two".