501223014025 has 6 divisors (see below), whose sum is σ = 621516537422. Its totient is φ = 400978411200.

The previous prime is 501223013933. The next prime is 501223014049. The reversal of 501223014025 is 520410322105.

It can be written as a sum of positive squares in 3 ways, for example, as 7546744384 + 493676269641 = 86872^2 + 702621^2 .

It is not a de Polignac number, because 501223014025 - 2²⁵ = 501189459593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 20048920561 = 501223014025 / (5 + 0 + 1 + 2 + 2 + 3 + 0 + 1 + 4 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10024460256 + ... + 10024460305.

Almost surely, 2^501223014025 is an apocalyptic number.

It is an amenable number.

501223014025 is a deficient number, since it is larger than the sum of its proper divisors (120293523397).

501223014025 is a wasteful number, since it uses less digits than its factorization.

501223014025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20048920571 (or 20048920566 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 501223014025 in words is "five hundred one billion, two hundred twenty-three million, fourteen thousand, twenty-five".