61436151 has 60 divisors (see below), whose sum is σ = 111565872. Its totient is φ = 33530112.

The previous prime is 61436129. The next prime is 61436159. The reversal of 61436151 is 15163416.

61436151 is a `hidden beast` number, since 6 + 1 + 43 + 615 + 1 = 666.

It is not a de Polignac number, because 61436151 - 2¹³ = 61427959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61436159) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 90951 + ... + 91623.

Almost surely, 2^61436151 is an apocalyptic number.

61436151 is a deficient number, since it is larger than the sum of its proper divisors (50129721).

61436151 is a wasteful number, since it uses less digits than its factorization.

61436151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 706 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 61436151 is about 7838.1216499873. The cubic root of 61436151 is about 394.5856917466.

Adding to 61436151 its reverse (15163416), we get a palindrome (76599567).

The spelling of 61436151 in words is "sixty-one million, four hundred thirty-six thousand, one hundred fifty-one".