525050 has 12 divisors (see below), whose sum is σ = 976686. Its totient is φ = 210000.

The previous prime is 525043. The next prime is 525101. The reversal of 525050 is 50525.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 337561 + 187489 = 581^2 + 433^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5201 + ... + 5300.

2⁵²⁵⁰⁵⁰ is an apocalyptic number.

525050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

525050 is a deficient number, since it is larger than the sum of its proper divisors (451636).

525050 is a wasteful number, since it uses less digits than its factorization.

525050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513 (or 10508 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 525050 is about 724.6033397660. The cubic root of 525050 is about 80.6739932178.

Subtracting from 525050 its product of nonzero digits (250), we obtain a triangular number (524800 = T₁₀₂₄).

Adding to 525050 its reverse (50525), we get a palindrome (575575).

It can be divided in two parts, 5 and 25050, that multiplied together give a triangular number (125250 = T₅₀₀).

The spelling of 525050 in words is "five hundred twenty-five thousand, fifty".