2629457 has 2 divisors, whose sum is σ = 2629458. Its totient is φ = 2629456.

The previous prime is 2629447. The next prime is 2629469. The reversal of 2629457 is 7549262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1784896 + 844561 = 1336^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 2629457 - 2¹⁴ = 2613073 is a prime.

It is a super-2 number, since 2×2629457² = 13828088229698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁰ + 6⁸ + 2¹⁶ + 9⁵ + 4³ + 5⁴ + 7⁷ .

It is not a weakly prime, because it can be changed into another prime (2629447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314728 + 1314729.

It is an arithmetic number, because the mean of its divisors is an integer number (1314729).

2^2629457 is an apocalyptic number.

It is an amenable number.

2629457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2629457 is an equidigital number, since it uses as much as digits as its factorization.

2629457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 2629457 is about 1621.5600513086. The cubic root of 2629457 is about 138.0242378487.

The spelling of 2629457 in words is "two million, six hundred twenty-nine thousand, four hundred fifty-seven".