30157401 has 4 divisors (see below), whose sum is σ = 40209872. Its totient is φ = 20104932.

The previous prime is 30157373. The next prime is 30157403. The reversal of 30157401 is 10475103.

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 not a de Polignac number, because 30157401 - 2⁷ = 30157273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30157403) 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, 5026231 + ... + 5026236.

It is an arithmetic number, because the mean of its divisors is an integer number (10052468).

Almost surely, 2^30157401 is an apocalyptic number.

It is an amenable number.

30157401 is a deficient number, since it is larger than the sum of its proper divisors (10052471).

30157401 is a wasteful number, since it uses less digits than its factorization.

30157401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052470.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 30157401 is about 5491.5754570069. The cubic root of 30157401 is about 311.2657268549.

The spelling of 30157401 in words is "thirty million, one hundred fifty-seven thousand, four hundred one".