61351093 has 2 divisors, whose sum is σ = 61351094. Its totient is φ = 61351092.

The previous prime is 61351049. The next prime is 61351109. The reversal of 61351093 is 39015316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55086084 + 6265009 = 7422^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 61351093 - 2¹³ = 61342901 is a prime.

It is a super-2 number, since 2×61351093² = 7527913224589298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61351013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675546 + 30675547.

It is an arithmetic number, because the mean of its divisors is an integer number (30675547).

Almost surely, 2^61351093 is an apocalyptic number.

It is an amenable number.

61351093 is a deficient number, since it is larger than the sum of its proper divisors (1).

61351093 is an equidigital number, since it uses as much as digits as its factorization.

61351093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 61351093 is about 7832.6938533304. The cubic root of 61351093 is about 394.4035070977.

The spelling of 61351093 in words is "sixty-one million, three hundred fifty-one thousand, ninety-three".