961619325 has 48 divisors (see below), whose sum is σ = 1619896320. Its totient is φ = 503270080.

The previous prime is 961619257. The next prime is 961619327. The reversal of 961619325 is 523916169.

It is not a de Polignac number, because 961619325 - 2⁸ = 961619069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961619327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1113844 + ... + 1114706.

It is an arithmetic number, because the mean of its divisors is an integer number (33747840).

Almost surely, 2^961619325 is an apocalyptic number.

It is an amenable number.

961619325 is a deficient number, since it is larger than the sum of its proper divisors (658276995).

961619325 is a wasteful number, since it uses less digits than its factorization.

961619325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1133 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 961619325 is about 31009.9875040284. The cubic root of 961619325 is about 987.0391846635.

The spelling of 961619325 in words is "nine hundred sixty-one million, six hundred nineteen thousand, three hundred twenty-five".