1013641250 has 20 divisors (see below), whose sum is σ = 1899971502. Its totient is φ = 405456000.

The previous prime is 1013641219. The next prime is 1013641261. The reversal of 1013641250 is 521463101.

It can be written as a sum of positive squares in 5 ways, for example, as 25230529 + 988410721 = 5023^2 + 31439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 404207 + ... + 406706.

Almost surely, 2^1013641250 is an apocalyptic number.

1013641250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013641250 is a deficient number, since it is larger than the sum of its proper divisors (886330252).

1013641250 is an frugal number, since it uses more digits than its factorization.

1013641250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810935 (or 810920 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1013641250 is about 31837.7331165396. The cubic root of 1013641250 is about 1004.5265626479.

The spelling of 1013641250 in words is "one billion, thirteen million, six hundred forty-one thousand, two hundred fifty".