42061652 has 12 divisors (see below), whose sum is σ = 74337396. Its totient is φ = 20822400.

The previous prime is 42061633. The next prime is 42061681. The reversal of 42061652 is 25616024.

It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 15888196 = 5116^2 + 3986^2 .

It is a super-3 number, since 3×42061652³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51653 + ... + 52460.

It is an arithmetic number, because the mean of its divisors is an integer number (6194783).

Almost surely, 2^42061652 is an apocalyptic number.

It is an amenable number.

42061652 is a deficient number, since it is larger than the sum of its proper divisors (32275744).

42061652 is a wasteful number, since it uses less digits than its factorization.

42061652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104218 (or 104216 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42061652 is about 6485.4955092113. The cubic root of 42061652 is about 347.7726638703.

Adding to 42061652 its reverse (25616024), we get a palindrome (67677676).

The spelling of 42061652 in words is "forty-two million, sixty-one thousand, six hundred fifty-two".