42961250 has 20 divisors (see below), whose sum is σ = 80528910. Its totient is φ = 17184000.

The previous prime is 42961241. The next prime is 42961277. The reversal of 42961250 is 5216924.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 7689529 + 35271721 = 2773^2 + 5939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15935 + ... + 18434.

Almost surely, 2^42961250 is an apocalyptic number.

42961250 is a deficient number, since it is larger than the sum of its proper divisors (37567660).

42961250 is an equidigital number, since it uses as much as digits as its factorization.

42961250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34391 (or 34376 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 42961250 is about 6554.4831985443. The cubic root of 42961250 is about 350.2345366783.

The spelling of 42961250 in words is "forty-two million, nine hundred sixty-one thousand, two hundred fifty".