25421532202 has 8 divisors (see below), whose sum is σ = 41598870912. Its totient is φ = 11555241900.

The previous prime is 25421532197. The next prime is 25421532223. The reversal of 25421532202 is 20223512452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577762074 + ... + 577762117.

It is an arithmetic number, because the mean of its divisors is an integer number (5199858864).

Almost surely, 2^25421532202 is an apocalyptic number.

25421532202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25421532202 is a deficient number, since it is larger than the sum of its proper divisors (16177338710).

25421532202 is a wasteful number, since it uses less digits than its factorization.

25421532202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155524204.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 25421532202 in words is "twenty-five billion, four hundred twenty-one million, five hundred thirty-two thousand, two hundred two".