25425034001 has 4 divisors (see below), whose sum is σ = 25773322212. Its totient is φ = 25076745792.

The previous prime is 25425033941. The next prime is 25425034007. The reversal of 25425034001 is 10043052452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13671221776 + 11753812225 = 116924^2 + 108415^2 .

It is a cyclic number.

It is not a de Polignac number, because 25425034001 - 2¹⁸ = 25424771857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25425034007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174143996 + ... + 174144141.

It is an arithmetic number, because the mean of its divisors is an integer number (6443330553).

Almost surely, 2^25425034001 is an apocalyptic number.

It is an amenable number.

25425034001 is a deficient number, since it is larger than the sum of its proper divisors (348288211).

25425034001 is an equidigital number, since it uses as much as digits as its factorization.

25425034001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348288210.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 25425034001 its reverse (10043052452), we get a palindrome (35468086453).

The spelling of 25425034001 in words is "twenty-five billion, four hundred twenty-five million, thirty-four thousand, one".