963940725 has 72 divisors (see below), whose sum is σ = 1911922272. Its totient is φ = 460310400.

The previous prime is 963940721. The next prime is 963940729. The reversal of 963940725 is 527049369.

It is a happy number.

963940725 is a `hidden beast` number, since 9 + 639 + 4 + 0 + 7 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (963940721) and next prime (963940729).

It is not a de Polignac number, because 963940725 - 2² = 963940721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (963940721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 162919 + ... + 168731.

It is an arithmetic number, because the mean of its divisors is an integer number (26554476).

Almost surely, 2^963940725 is an apocalyptic number.

It is an amenable number.

963940725 is a deficient number, since it is larger than the sum of its proper divisors (947981547).

963940725 is a wasteful number, since it uses less digits than its factorization.

963940725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907 (or 5899 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 963940725 is about 31047.3948182452. The cubic root of 963940725 is about 987.8328013575.

The spelling of 963940725 in words is "nine hundred sixty-three million, nine hundred forty thousand, seven hundred twenty-five".