1013625499 has 4 divisors (see below), whose sum is σ = 1015263640. Its totient is φ = 1011987360.

The previous prime is 1013625497. The next prime is 1013625559. The reversal of 1013625499 is 9945263101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9945263101 = 83 ⋅119822447.

It is a cyclic number.

It is not a de Polignac number, because 1013625499 - 2¹ = 1013625497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013625491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818142 + ... + 819379.

It is an arithmetic number, because the mean of its divisors is an integer number (253815910).

Almost surely, 2^1013625499 is an apocalyptic number.

1013625499 is a deficient number, since it is larger than the sum of its proper divisors (1638141).

1013625499 is an equidigital number, since it uses as much as digits as its factorization.

1013625499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638140.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1013625499 is about 31837.4857518618. The cubic root of 1013625499 is about 1004.5213594987.

The spelling of 1013625499 in words is "one billion, thirteen million, six hundred twenty-five thousand, four hundred ninety-nine".