1925009403 has 16 divisors (see below), whose sum is σ = 2679699456. Its totient is φ = 1226888960.

The previous prime is 1925009393. The next prime is 1925009407. The reversal of 1925009403 is 3049005291.

It is a cyclic number.

It is not a de Polignac number, because 1925009403 - 2⁵ = 1925009371 is a prime.

It is a super-2 number, since 2×1925009403² = 7411322403276832818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1925009407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145963 + ... + 158603.

It is an arithmetic number, because the mean of its divisors is an integer number (167481216).

Almost surely, 2^1925009403 is an apocalyptic number.

1925009403 is a deficient number, since it is larger than the sum of its proper divisors (754690053).

1925009403 is a wasteful number, since it uses less digits than its factorization.

1925009403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14874.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 1925009403 is about 43874.9290939598. The cubic root of 1925009403 is about 1243.9729928260.

The spelling of 1925009403 in words is "one billion, nine hundred twenty-five million, nine thousand, four hundred three".