42531088 has 10 divisors (see below), whose sum is σ = 82404014. Its totient is φ = 21265536.

The previous prime is 42531061. The next prime is 42531107. The reversal of 42531088 is 88013524.

It can be written as a sum of positive squares in only one way, i.e., 29942784 + 12588304 = 5472^2 + 3548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1329081 + ... + 1329112.

Almost surely, 2^42531088 is an apocalyptic number.

It is an amenable number.

42531088 is a deficient number, since it is larger than the sum of its proper divisors (39872926).

42531088 is a wasteful number, since it uses less digits than its factorization.

42531088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658201 (or 2658195 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 42531088 is about 6521.5863100936. The cubic root of 42531088 is about 349.0616716820.

It can be divided in two parts, 4253 and 1088, that multiplied together give a palindrome (4627264).

The spelling of 42531088 in words is "forty-two million, five hundred thirty-one thousand, eighty-eight".