505001054 has 4 divisors (see below), whose sum is σ = 757501584. Its totient is φ = 252500526.

The previous prime is 505001053. The next prime is 505001089. The reversal of 505001054 is 450100505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450100505 = 5 ⋅90020101.

It is a super-2 number, since 2×505001054² = 510052129082221832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505001051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250262 + ... + 126250265.

It is an arithmetic number, because the mean of its divisors is an integer number (189375396).

Almost surely, 2^505001054 is an apocalyptic number.

505001054 is a deficient number, since it is larger than the sum of its proper divisors (252500530).

505001054 is a wasteful number, since it uses less digits than its factorization.

505001054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252500529.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 505001054 is about 22472.2285054242. The cubic root of 505001054 is about 796.3379781981.

Adding to 505001054 its reverse (450100505), we get a palindrome (955101559).

The spelling of 505001054 in words is "five hundred five million, one thousand, fifty-four".