25305061362 has 64 divisors (see below), whose sum is σ = 60297412608. Its totient is φ = 6927480000.

The previous prime is 25305061351. The next prime is 25305061373. The reversal of 25305061362 is 26316050352.

It is an interprime number because it is at equal distance from previous prime (25305061351) and next prime (25305061373).

It is a super-2 number, since 2×25305061362² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35287 + ... + 227717.

It is an arithmetic number, because the mean of its divisors is an integer number (942147072).

Almost surely, 2^25305061362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25305061362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30148706304).

25305061362 is an abundant number, since it is smaller than the sum of its proper divisors (34992351246).

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

25305061362 is a wasteful number, since it uses less digits than its factorization.

25305061362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192575.

The product of its (nonzero) digits is 32400, while the sum is 33.

The spelling of 25305061362 in words is "twenty-five billion, three hundred five million, sixty-one thousand, three hundred sixty-two".