25362473536 has 63 divisors (see below), whose sum is σ = 53509010457. Its totient is φ = 11925089280.

The previous prime is 25362473531. The next prime is 25362473567. The reversal of 25362473536 is 63537426352.

The square root of 25362473536 is 159256.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19745870400 + 5616603136 = 140520^2 + 74944^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25362473531) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21658231 + ... + 21659401.

Almost surely, 2^25362473536 is an apocalyptic number.

25362473536 is the 159256-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25362473536

25362473536 is an abundant number, since it is smaller than the sum of its proper divisors (28146536921).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25362473536 is an frugal number, since it uses more digits than its factorization.

25362473536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 1190 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 46.

Adding to 25362473536 its reverse (63537426352), we get a palindrome (88899899888).

The spelling of 25362473536 in words is "twenty-five billion, three hundred sixty-two million, four hundred seventy-three thousand, five hundred thirty-six".