61871452 has 12 divisors (see below), whose sum is σ = 109269160. Its totient is φ = 30651696.

The previous prime is 61871417. The next prime is 61871461. The reversal of 61871452 is 25417816.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 70518 + ... + 71389.

Almost surely, 2^61871452 is an apocalyptic number.

It is an amenable number.

61871452 is a deficient number, since it is larger than the sum of its proper divisors (47397708).

61871452 is a wasteful number, since it uses less digits than its factorization.

61871452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142020 (or 142018 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 61871452 is about 7865.8408323586. The cubic root of 61871452 is about 395.5154345795.

The spelling of 61871452 in words is "sixty-one million, eight hundred seventy-one thousand, four hundred fifty-two".