9142297925 has 18 divisors (see below), whose sum is σ = 11964519378. Its totient is φ = 6928892640.

The previous prime is 9142297841. The next prime is 9142297939. The reversal of 9142297925 is 5297922419.

It can be written as a sum of positive squares in 3 ways, for example, as 3023460196 + 6118837729 = 54986^2 + 78223^2 .

It is not a de Polignac number, because 9142297925 - 2¹⁴ = 9142281541 is a prime.

It is a super-2 number, since 2×9142297925² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 497474 + ... + 515523.

It is an arithmetic number, because the mean of its divisors is an integer number (664695521).

Almost surely, 2^9142297925 is an apocalyptic number.

9142297925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9142297925 is a deficient number, since it is larger than the sum of its proper divisors (2822221453).

9142297925 is a wasteful number, since it uses less digits than its factorization.

9142297925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013045 (or 1013021 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 9142297925 is about 95615.3644818656. The cubic root of 9142297925 is about 2090.9892011567.

The spelling of 9142297925 in words is "nine billion, one hundred forty-two million, two hundred ninety-seven thousand, nine hundred twenty-five".