2051450625 has 80 divisors (see below), whose sum is σ = 3936240000. Its totient is φ = 930624000.

The previous prime is 2051450617. The next prime is 2051450629. The reversal of 2051450625 is 5260541502.

It is not a de Polignac number, because 2051450625 - 2³ = 2051450617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051450592 and 2051450601.

It is not an unprimeable number, because it can be changed into a prime (2051450629) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1955101 + ... + 1956149.

It is an arithmetic number, because the mean of its divisors is an integer number (49203000).

Almost surely, 2^2051450625 is an apocalyptic number.

2051450625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051450625 is a deficient number, since it is larger than the sum of its proper divisors (1884789375).

2051450625 is a wasteful number, since it uses less digits than its factorization.

2051450625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2051450625 is about 45292.9423310078. The cubic root of 2051450625 is about 1270.6336608864.

It can be divided in two parts, 2051 and 450625, that added together give a triangular number (452676 = T₉₅₁).

The spelling of 2051450625 in words is "two billion, fifty-one million, four hundred fifty thousand, six hundred twenty-five".