30494953 has 4 divisors (see below), whose sum is σ = 30629520. Its totient is φ = 30360388.

The previous prime is 30494951. The next prime is 30494969. The reversal of 30494953 is 35949403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30494953 - 2¹ = 30494951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30494951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66943 + ... + 67396.

It is an arithmetic number, because the mean of its divisors is an integer number (7657380).

Almost surely, 2^30494953 is an apocalyptic number.

It is an amenable number.

30494953 is a deficient number, since it is larger than the sum of its proper divisors (134567).

30494953 is a wasteful number, since it uses less digits than its factorization.

30494953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134566.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 30494953 is about 5522.2235557790. The cubic root of 30494953 is about 312.4227538139.

The spelling of 30494953 in words is "thirty million, four hundred ninety-four thousand, nine hundred fifty-three".