2552378407 has 2 divisors, whose sum is σ = 2552378408. Its totient is φ = 2552378406.

The previous prime is 2552378393. The next prime is 2552378431. The reversal of 2552378407 is 7048732552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2552378407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552378447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276189203 + 1276189204.

It is an arithmetic number, because the mean of its divisors is an integer number (1276189204).

Almost surely, 2^2552378407 is an apocalyptic number.

2552378407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552378407 is an equidigital number, since it uses as much as digits as its factorization.

2552378407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 2552378407 is about 50521.0689415812. The cubic root of 2552378407 is about 1366.6218306991.

The spelling of 2552378407 in words is "two billion, five hundred fifty-two million, three hundred seventy-eight thousand, four hundred seven".