42461551 has 8 divisors (see below), whose sum is σ = 47081808. Its totient is φ = 37968000.

The previous prime is 42461501. The next prime is 42461567. The reversal of 42461551 is 15516424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42461551 - 2¹¹ = 42459503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42461501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30970 + ... + 32311.

It is an arithmetic number, because the mean of its divisors is an integer number (5885226).

Almost surely, 2^42461551 is an apocalyptic number.

42461551 is a deficient number, since it is larger than the sum of its proper divisors (4620257).

42461551 is a wasteful number, since it uses less digits than its factorization.

42461551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63353.

The product of its digits is 4800, while the sum is 28.

The square root of 42461551 is about 6516.2528342599. The cubic root of 42461551 is about 348.8713329360.

Adding to 42461551 its reverse (15516424), we get a palindrome (57977975).

The spelling of 42461551 in words is "forty-two million, four hundred sixty-one thousand, five hundred fifty-one".