25146420003 has 8 divisors (see below), whose sum is σ = 37253955600. Its totient is φ = 16764279984.

The previous prime is 25146419951. The next prime is 25146420023. The reversal of 25146420003 is 30002464152.

25146420003 is a `hidden beast` number, since 2 + 5 + 14 + 642 + 0 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 25146420003 - 2⁸ = 25146419747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 931348889 = 25146420003 / (2 + 5 + 1 + 4 + 6 + 4 + 2 + 0 + 0 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (25146420023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465674418 + ... + 465674471.

It is an arithmetic number, because the mean of its divisors is an integer number (4656744450).

Almost surely, 2^25146420003 is an apocalyptic number.

25146420003 is a deficient number, since it is larger than the sum of its proper divisors (12107535597).

25146420003 is an equidigital number, since it uses as much as digits as its factorization.

25146420003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931348898 (or 931348892 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 25146420003 its reverse (30002464152), we get a palindrome (55148884155).

The spelling of 25146420003 in words is "twenty-five billion, one hundred forty-six million, four hundred twenty thousand, three".