2628520451 has 2 divisors, whose sum is σ = 2628520452. Its totient is φ = 2628520450.

The previous prime is 2628520423. The next prime is 2628520457. The reversal of 2628520451 is 1540258262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2628520451 - 2²² = 2624326147 is a prime.

It is a super-2 number, since 2×2628520451² = 13818239522650486802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2628520457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314260225 + 1314260226.

It is an arithmetic number, because the mean of its divisors is an integer number (1314260226).

Almost surely, 2^2628520451 is an apocalyptic number.

2628520451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628520451 is an equidigital number, since it uses as much as digits as its factorization.

2628520451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2628520451 is about 51269.0984024490. The cubic root of 2628520451 is about 1380.0784893746.

The spelling of 2628520451 in words is "two billion, six hundred twenty-eight million, five hundred twenty thousand, four hundred fifty-one".