61351434 has 12 divisors (see below), whose sum is σ = 132928146. Its totient is φ = 20450472.

The previous prime is 61351427. The next prime is 61351441. The reversal of 61351434 is 43415316.

61351434 is a `hidden beast` number, since 613 + 5 + 1 + 43 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (61351427) and next prime (61351441).

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 5774409 = 7455^2 + 2403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61351398 and 61351407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1704189 + ... + 1704224.

Almost surely, 2^61351434 is an apocalyptic number.

61351434 is an abundant number, since it is smaller than the sum of its proper divisors (71576712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61351434 is a wasteful number, since it uses less digits than its factorization.

61351434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408421 (or 3408418 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 61351434 is about 7832.7156210346. The cubic root of 61351434 is about 394.4042378173.

It can be divided in two parts, 6135 and 1434, that added together give a square (7569 = 87²).

The spelling of 61351434 in words is "sixty-one million, three hundred fifty-one thousand, four hundred thirty-four".