601550513 has 4 divisors (see below), whose sum is σ = 601674480. Its totient is φ = 601426548.

The previous prime is 601550503. The next prime is 601550519. The reversal of 601550513 is 315055106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315055106 = 2 ⋅157527553.

It is a cyclic number.

It is not a de Polignac number, because 601550513 - 2⁶ = 601550449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601550519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54395 + ... + 64512.

It is an arithmetic number, because the mean of its divisors is an integer number (150418620).

Almost surely, 2^601550513 is an apocalyptic number.

It is an amenable number.

601550513 is a deficient number, since it is larger than the sum of its proper divisors (123967).

601550513 is a wasteful number, since it uses less digits than its factorization.

601550513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123966.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 601550513 is about 24526.5267210830. The cubic root of 601550513 is about 844.1585699868.

The spelling of 601550513 in words is "six hundred one million, five hundred fifty thousand, five hundred thirteen".