2516429 has 2 divisors, whose sum is σ = 2516430. Its totient is φ = 2516428.

The previous prime is 2516413. The next prime is 2516447. The reversal of 2516429 is 9246152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2464900 + 51529 = 1570^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516429 - 2⁴ = 2516413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258214 + 1258215.

It is an arithmetic number, because the mean of its divisors is an integer number (1258215).

2^2516429 is an apocalyptic number.

It is an amenable number.

2516429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516429 is an equidigital number, since it uses as much as digits as its factorization.

2516429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 2516429 is about 1586.3256286148. The cubic root of 2516429 is about 136.0175330625.

The spelling of 2516429 in words is "two million, five hundred sixteen thousand, four hundred twenty-nine".