526503940 has 24 divisors (see below), whose sum is σ = 1170697752. Its totient is φ = 198213120.

The previous prime is 526503937. The next prime is 526503941. The reversal of 526503940 is 49305625.

It can be written as a sum of positive squares in 4 ways, for example, as 104530176 + 421973764 = 10224^2 + 20542^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 526503896 and 526503905.

It is not an unprimeable number, because it can be changed into a prime (526503941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773931 + ... + 774610.

It is an arithmetic number, because the mean of its divisors is an integer number (48779073).

Almost surely, 2^526503940 is an apocalyptic number.

It is an amenable number.

526503940 is an abundant number, since it is smaller than the sum of its proper divisors (644193812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526503940 is a wasteful number, since it uses less digits than its factorization.

526503940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548567 (or 1548565 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 526503940 is about 22945.6736662927. The cubic root of 526503940 is about 807.4839060396.

The spelling of 526503940 in words is "five hundred twenty-six million, five hundred three thousand, nine hundred forty".