525251002 has 4 divisors (see below), whose sum is σ = 787876506. Its totient is φ = 262625500.

The previous prime is 525250993. The next prime is 525251047. The reversal of 525251002 is 200152525.

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., 420209001 + 105042001 = 20499^2 + 10249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131312749 + ... + 131312752.

Almost surely, 2^525251002 is an apocalyptic number.

525251002 is a deficient number, since it is larger than the sum of its proper divisors (262625504).

525251002 is a wasteful number, since it uses less digits than its factorization.

525251002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262625503.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 525251002 is about 22918.3551329497. The cubic root of 525251002 is about 806.8428656456.

The spelling of 525251002 in words is "five hundred twenty-five million, two hundred fifty-one thousand, two".