2504378731 has 2 divisors, whose sum is σ = 2504378732. Its totient is φ = 2504378730.

The previous prime is 2504378711. The next prime is 2504378753. The reversal of 2504378731 is 1378734052.

It is a happy number.

2504378731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2504378731 - 2⁷ = 2504378603 is a prime.

It is a super-2 number, since 2×2504378731² = 12543825656570340722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2504378711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252189365 + 1252189366.

It is an arithmetic number, because the mean of its divisors is an integer number (1252189366).

Almost surely, 2^2504378731 is an apocalyptic number.

2504378731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504378731 is an equidigital number, since it uses as much as digits as its factorization.

2504378731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 2504378731 is about 50043.7681534874. The cubic root of 2504378731 is about 1358.0007264354. Note that the first 3 decimals are identical.

The spelling of 2504378731 in words is "two billion, five hundred four million, three hundred seventy-eight thousand, seven hundred thirty-one".