2030545251 has 48 divisors (see below), whose sum is σ = 3451281600. Its totient is φ = 1149845760.

The previous prime is 2030545249. The next prime is 2030545267. The reversal of 2030545251 is 1525450302.

It is a happy number.

2030545251 is a `hidden beast` number, since 203 + 0 + 5 + 452 + 5 + 1 = 666.

It is not a de Polignac number, because 2030545251 - 2¹ = 2030545249 is a prime.

It is a super-2 number, since 2×2030545251² = 8246228032717306002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030545241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345921 + ... + 351741.

It is an arithmetic number, because the mean of its divisors is an integer number (71901700).

Almost surely, 2^2030545251 is an apocalyptic number.

2030545251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2030545251 is a deficient number, since it is larger than the sum of its proper divisors (1420736349).

2030545251 is a wasteful number, since it uses less digits than its factorization.

2030545251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5961 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2030545251 is about 45061.5717768477. The cubic root of 2030545251 is about 1266.3027715608.

Adding to 2030545251 its reverse (1525450302), we get a palindrome (3555995553).

It can be divided in two parts, 20305 and 45251, that added together give a palindrome (65556).

The spelling of 2030545251 in words is "two billion, thirty million, five hundred forty-five thousand, two hundred fifty-one".