61570053 has 6 divisors (see below), whose sum is σ = 88934534. Its totient is φ = 41046696.

The previous prime is 61570043. The next prime is 61570063. The reversal of 61570053 is 35007516.

It is an interprime number because it is at equal distance from previous prime (61570043) and next prime (61570063).

It can be written as a sum of positive squares in only one way, i.e., 52316289 + 9253764 = 7233^2 + 3042^2 .

It is not a de Polignac number, because 61570053 - 2⁴ = 61570037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61569999 and 61570026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61570043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3420550 + ... + 3420567.

Almost surely, 2^61570053 is an apocalyptic number.

It is an amenable number.

61570053 is a deficient number, since it is larger than the sum of its proper divisors (27364481).

61570053 is a wasteful number, since it uses less digits than its factorization.

61570053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841123 (or 6841120 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 61570053 is about 7846.6587156573. The cubic root of 61570053 is about 394.8721543211.

Adding to 61570053 its reverse (35007516), we get a palindrome (96577569).

The spelling of 61570053 in words is "sixty-one million, five hundred seventy thousand, fifty-three".