61562943 has 16 divisors (see below), whose sum is σ = 98220640. Its totient is φ = 37884672.

The previous prime is 61562939. The next prime is 61562951. The reversal of 61562943 is 34926516.

It is a happy number.

61562943 is a `hidden beast` number, since 6 + 1 + 562 + 94 + 3 = 666.

It is not a de Polignac number, because 61562943 - 2² = 61562939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61562898 and 61562907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61562953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87346 + ... + 88047.

It is an arithmetic number, because the mean of its divisors is an integer number (6138790).

Almost surely, 2^61562943 is an apocalyptic number.

61562943 is a deficient number, since it is larger than the sum of its proper divisors (36657697).

61562943 is a wasteful number, since it uses less digits than its factorization.

61562943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175415 (or 175409 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 61562943 is about 7846.2056434942. The cubic root of 61562943 is about 394.8569540251.

The spelling of 61562943 in words is "sixty-one million, five hundred sixty-two thousand, nine hundred forty-three".