2425364521 has 4 divisors (see below), whose sum is σ = 2425653844. Its totient is φ = 2425075200.

The previous prime is 2425364519. The next prime is 2425364533. The reversal of 2425364521 is 1254635242.

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 28772496 + 2396592025 = 5364^2 + 48955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425364521 - 2¹ = 2425364519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2425364621) 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, 131700 + ... + 148981.

It is an arithmetic number, because the mean of its divisors is an integer number (606413461).

Almost surely, 2^2425364521 is an apocalyptic number.

It is an amenable number.

2425364521 is a deficient number, since it is larger than the sum of its proper divisors (289323).

2425364521 is an equidigital number, since it uses as much as digits as its factorization.

2425364521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289322.

The product of its digits is 57600, while the sum is 34.

The square root of 2425364521 is about 49247.9900198983. The cubic root of 2425364521 is about 1343.5660050046.

Adding to 2425364521 its reverse (1254635242), we get a palindrome (3679999763).

The spelling of 2425364521 in words is "two billion, four hundred twenty-five million, three hundred sixty-four thousand, five hundred twenty-one".