10519994 has 4 divisors (see below), whose sum is σ = 15779994. Its totient is φ = 5259996.

The previous prime is 10519981. The next prime is 10520017. The reversal of 10519994 is 49991501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49991501 = 7 ⋅7141643.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 375769 = 3185^2 + 613^2 .

It is a super-2 number, since 2×10519994² = 221340547520072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2629997 + ... + 2630000.

Almost surely, 2^10519994 is an apocalyptic number.

10519994 is a deficient number, since it is larger than the sum of its proper divisors (5260000).

10519994 is an equidigital number, since it uses as much as digits as its factorization.

10519994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259999.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 10519994 is about 3243.4540231056. The cubic root of 10519994 is about 219.1148595100.

The spelling of 10519994 in words is "ten million, five hundred nineteen thousand, nine hundred ninety-four".