1961498725 has 24 divisors (see below), whose sum is σ = 2564905280. Its totient is φ = 1483920000.

The previous prime is 1961498713. The next prime is 1961498741. The reversal of 1961498725 is 5278941691.

It is not a de Polignac number, because 1961498725 - 2⁷ = 1961498597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282040 + ... + 288910.

Almost surely, 2^1961498725 is an apocalyptic number.

It is an amenable number.

1961498725 is a deficient number, since it is larger than the sum of its proper divisors (603406555).

1961498725 is a wasteful number, since it uses less digits than its factorization.

1961498725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501 (or 7496 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 1961498725 is about 44288.8103814045. The cubic root of 1961498725 is about 1251.7838477654.

The spelling of 1961498725 in words is "one billion, nine hundred sixty-one million, four hundred ninety-eight thousand, seven hundred twenty-five".