61351154 has 4 divisors (see below), whose sum is σ = 92026734. Its totient is φ = 30675576.

The previous prime is 61351151. The next prime is 61351207. The reversal of 61351154 is 45115316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57410929 + 3940225 = 7577^2 + 1985^2 .

It is not an unprimeable number, because it can be changed into a prime (61351151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337787 + ... + 15337790.

Almost surely, 2^61351154 is an apocalyptic number.

61351154 is a deficient number, since it is larger than the sum of its proper divisors (30675580).

61351154 is a wasteful number, since it uses less digits than its factorization.

61351154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30675579.

The product of its digits is 1800, while the sum is 26.

The square root of 61351154 is about 7832.6977472643. The cubic root of 61351154 is about 394.4036378131.

The spelling of 61351154 in words is "sixty-one million, three hundred fifty-one thousand, one hundred fifty-four".