25201062001 has 4 divisors (see below), whose sum is σ = 25249248112. Its totient is φ = 25152875892.

The previous prime is 25201061983. The next prime is 25201062013. The reversal of 25201062001 is 10026010252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25201062001 - 2⁹ = 25201061489 is a prime.

It is a super-2 number, since 2×25201062001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25201062001.

It is not an unprimeable number, because it can be changed into a prime (25201062041) 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, 24092271 + ... + 24093316.

It is an arithmetic number, because the mean of its divisors is an integer number (6312312028).

Almost surely, 2^25201062001 is an apocalyptic number.

It is an amenable number.

25201062001 is a deficient number, since it is larger than the sum of its proper divisors (48186111).

25201062001 is an equidigital number, since it uses as much as digits as its factorization.

25201062001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48186110.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 25201062001 its reverse (10026010252), we get a palindrome (35227072253).

The spelling of 25201062001 in words is "twenty-five billion, two hundred one million, sixty-two thousand, one".