531625450 has 48 divisors (see below), whose sum is σ = 1041201216. Its totient is φ = 201555200.

The previous prime is 531625447. The next prime is 531625463. The reversal of 531625450 is 54526135.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127905 + ... + 131995.

It is an arithmetic number, because the mean of its divisors is an integer number (21691692).

Almost surely, 2^531625450 is an apocalyptic number.

531625450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531625450 is a deficient number, since it is larger than the sum of its proper divisors (509575766).

531625450 is a wasteful number, since it uses less digits than its factorization.

531625450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 531625450 is about 23057.0043587627. The cubic root of 531625450 is about 810.0936994690.

The spelling of 531625450 in words is "five hundred thirty-one million, six hundred twenty-five thousand, four hundred fifty".