2451421053 has 6 divisors (see below), whose sum is σ = 3540941534. Its totient is φ = 1634280696.

The previous prime is 2451420973. The next prime is 2451421057. The reversal of 2451421053 is 3501241542.

It can be written as a sum of positive squares in only one way, i.e., 2292207129 + 159213924 = 47877^2 + 12618^2 .

It is not a de Polignac number, because 2451421053 - 2³⁰ = 1377679229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451421057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136190050 + ... + 136190067.

Almost surely, 2^2451421053 is an apocalyptic number.

It is an amenable number.

2451421053 is a deficient number, since it is larger than the sum of its proper divisors (1089520481).

2451421053 is a wasteful number, since it uses less digits than its factorization.

2451421053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272380123 (or 272380120 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2451421053 is about 49511.8274051766. The cubic root of 2451421053 is about 1348.3603418507.

Adding to 2451421053 its reverse (3501241542), we get a palindrome (5952662595).

The spelling of 2451421053 in words is "two billion, four hundred fifty-one million, four hundred twenty-one thousand, fifty-three".