61523426 has 4 divisors (see below), whose sum is σ = 92285142. Its totient is φ = 30761712.

The previous prime is 61523419. The next prime is 61523453. The reversal of 61523426 is 62432516.

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., 32890225 + 28633201 = 5735^2 + 5351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380855 + ... + 15380858.

Almost surely, 2^61523426 is an apocalyptic number.

61523426 is a deficient number, since it is larger than the sum of its proper divisors (30761716).

61523426 is a wasteful number, since it uses less digits than its factorization.

61523426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30761715.

The product of its digits is 8640, while the sum is 29.

The square root of 61523426 is about 7843.6870156834. The cubic root of 61523426 is about 394.7724502565.

The spelling of 61523426 in words is "sixty-one million, five hundred twenty-three thousand, four hundred twenty-six".