2512403 has 2 divisors, whose sum is σ = 2512404. Its totient is φ = 2512402.

The previous prime is 2512399. The next prime is 2512409. The reversal of 2512403 is 3042152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2512403 - 2² = 2512399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2512409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256201 + 1256202.

It is an arithmetic number, because the mean of its divisors is an integer number (1256202).

2^2512403 is an apocalyptic number.

2512403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512403 is an equidigital number, since it uses as much as digits as its factorization.

2512403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2512403 is about 1585.0561504250. The cubic root of 2512403 is about 135.9449568200.

Adding to 2512403 its reverse (3042152), we get a palindrome (5554555).

The spelling of 2512403 in words is "two million, five hundred twelve thousand, four hundred three".