52003251 has 12 divisors (see below), whose sum is σ = 76067680. Its totient is φ = 34229520.

The previous prime is 52003219. The next prime is 52003307. The reversal of 52003251 is 15230025.

It is a happy number.

It is not a de Polignac number, because 52003251 - 2⁵ = 52003219 is a prime.

It is a super-2 number, since 2×52003251² = 5408676229138002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52003951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35860 + ... + 37281.

Almost surely, 2^52003251 is an apocalyptic number.

52003251 is a deficient number, since it is larger than the sum of its proper divisors (24064429).

52003251 is a wasteful number, since it uses less digits than its factorization.

52003251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73226 (or 73223 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52003251 is about 7211.3279636971. The cubic root of 52003251 is about 373.2588939772.

Adding to 52003251 its reverse (15230025), we get a palindrome (67233276).

The spelling of 52003251 in words is "fifty-two million, three thousand, two hundred fifty-one".